20169444880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:330

約数の個数: 240

約数和(自身を含む): 52763497920

約数和(自身を除く): 32594053040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 83, 104, 130, 139, 164, 166, 205, 208, 260, 278, 328, 332, 410, 415, 520, 533, 556, 656, 664, 695, 820, 830, 1040, 1066, 1079, 1112, 1328, 1390, 1640, 1660, 1681, 1807, 2132, 2158, 2224, 2665, 2780, 3280, 3320, 3362, 3403, 3614, 4264, 4316, 5330, 5395, 5560, 5699, 6640, 6724, 6806, 7228, 8405, 8528, 8632, 9035, 10660, 10790, 11120, 11398, 11537, 13448, 13612, 14456, 16810, 17015, 17264, 18070, 21320, 21580, 21853, 22796, 23074, 26896, 27224, 28495, 28912, 33620, 34030, 36140, 42640, 43160, 43706, 44239, 45592, 46148, 54448, 56990, 57685, 67240, 68060, 72280, 74087, 86320, 87412, 88478, 91184, 92296, 109265, 113980, 115370, 134480, 136120, 139523, 144560, 148174, 149981, 174824, 176956, 184592, 218530, 221195, 227960, 230740, 233659, 272240, 279046, 296348, 299962, 349648, 353912, 370435, 437060, 442390, 455920, 461480, 467318, 473017, 558092, 592696, 599924, 697615, 707824, 740870, 749905, 874120, 884780, 922960, 934636, 946034, 1116184, 1168295, 1185392, 1199848, 1395230, 1481740, 1499810, 1748240, 1769560, 1813799, 1869272, 1892068, 2232368, 2336590, 2365085, 2399696, 2790460, 2963480, 2999620, 3037567, 3539120, 3627598, 3738544, 3784136, 4673180, 4730170, 5580920, 5926960, 5999240, 6075134, 6149221, 7255196, 7568272, 9068995, 9346360, 9460340, 11161840, 11998480, 12150268, 12298442, 14510392, 15187835, 18137990, 18692720, 18920680, 19393697, 24300536, 24596884, 29020784, 30375670, 30746105, 36275980, 37841360, 38787394, 48601072, 49193768, 60751340, 61492210, 72551960, 77574788, 96968485, 98387536, 121502680, 122984420, 145103920, 155149576, 193936970, 243005360, 245968840, 252118061, 310299152, 387873940, 491937680, 504236122, 775747880, 1008472244, 1260590305, 1551495760, 2016944488, 2521180610, 4033888976, 5042361220, 10084722440, 20169444880]

約数ペア:

[(1, 20169444880), (2, 10084722440), (4, 5042361220), (5, 4033888976), (8, 2521180610), (10, 2016944488), (13, 1551495760), (16, 1260590305), (20, 1008472244), (26, 775747880), (40, 504236122), (41, 491937680), (52, 387873940), (65, 310299152), (80, 252118061), (82, 245968840), (83, 243005360), (104, 193936970), (130, 155149576), (139, 145103920), (164, 122984420), (166, 121502680), (205, 98387536), (208, 96968485), (260, 77574788), (278, 72551960), (328, 61492210), (332, 60751340), (410, 49193768), (415, 48601072), (520, 38787394), (533, 37841360), (556, 36275980), (656, 30746105), (664, 30375670), (695, 29020784), (820, 24596884), (830, 24300536), (1040, 19393697), (1066, 18920680), (1079, 18692720), (1112, 18137990), (1328, 15187835), (1390, 14510392), (1640, 12298442), (1660, 12150268), (1681, 11998480), (1807, 11161840), (2132, 9460340), (2158, 9346360), (2224, 9068995), (2665, 7568272), (2780, 7255196), (3280, 6149221), (3320, 6075134), (3362, 5999240), (3403, 5926960), (3614, 5580920), (4264, 4730170), (4316, 4673180), (5330, 3784136), (5395, 3738544), (5560, 3627598), (5699, 3539120), (6640, 3037567), (6724, 2999620), (6806, 2963480), (7228, 2790460), (8405, 2399696), (8528, 2365085), (8632, 2336590), (9035, 2232368), (10660, 1892068), (10790, 1869272), (11120, 1813799), (11398, 1769560), (11537, 1748240), (13448, 1499810), (13612, 1481740), (14456, 1395230), (16810, 1199848), (17015, 1185392), (17264, 1168295), (18070, 1116184), (21320, 946034), (21580, 934636), (21853, 922960), (22796, 884780), (23074, 874120), (26896, 749905), (27224, 740870), (28495, 707824), (28912, 697615), (33620, 599924), (34030, 592696), (36140, 558092), (42640, 473017), (43160, 467318), (43706, 461480), (44239, 455920), (45592, 442390), (46148, 437060), (54448, 370435), (56990, 353912), (57685, 349648), (67240, 299962), (68060, 296348), (72280, 279046), (74087, 272240), (86320, 233659), (87412, 230740), (88478, 227960), (91184, 221195), (92296, 218530), (109265, 184592), (113980, 176956), (115370, 174824), (134480, 149981), (136120, 148174), (139523, 144560)]