20718360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:282

約数の個数: 192

約数和(自身を含む): 76658400

約数和(自身を除く): 55940040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 171, 180, 190, 195, 228, 233, 234, 247, 260, 285, 312, 342, 360, 380, 390, 456, 466, 468, 494, 520, 570, 585, 684, 699, 741, 760, 780, 855, 932, 936, 988, 1140, 1165, 1170, 1235, 1368, 1398, 1482, 1560, 1710, 1864, 1976, 2097, 2223, 2280, 2330, 2340, 2470, 2796, 2964, 3029, 3420, 3495, 3705, 4194, 4427, 4446, 4660, 4680, 4940, 5592, 5928, 6058, 6840, 6990, 7410, 8388, 8854, 8892, 9087, 9320, 9880, 10485, 11115, 12116, 13281, 13980, 14820, 15145, 16776, 17708, 17784, 18174, 20970, 22135, 22230, 24232, 26562, 27261, 27960, 29640, 30290, 35416, 36348, 39843, 41940, 44270, 44460, 45435, 53124, 54522, 57551, 60580, 66405, 72696, 79686, 83880, 88540, 88920, 90870, 106248, 109044, 115102, 121160, 132810, 136305, 159372, 172653, 177080, 181740, 199215, 218088, 230204, 265620, 272610, 287755, 318744, 345306, 363480, 398430, 460408, 517959, 531240, 545220, 575510, 690612, 796860, 863265, 1035918, 1090440, 1151020, 1381224, 1593720, 1726530, 2071836, 2302040, 2589795, 3453060, 4143672, 5179590, 6906120, 10359180, 20718360]

約数ペア:

[(1, 20718360), (2, 10359180), (3, 6906120), (4, 5179590), (5, 4143672), (6, 3453060), (8, 2589795), (9, 2302040), (10, 2071836), (12, 1726530), (13, 1593720), (15, 1381224), (18, 1151020), (19, 1090440), (20, 1035918), (24, 863265), (26, 796860), (30, 690612), (36, 575510), (38, 545220), (39, 531240), (40, 517959), (45, 460408), (52, 398430), (57, 363480), (60, 345306), (65, 318744), (72, 287755), (76, 272610), (78, 265620), (90, 230204), (95, 218088), (104, 199215), (114, 181740), (117, 177080), (120, 172653), (130, 159372), (152, 136305), (156, 132810), (171, 121160), (180, 115102), (190, 109044), (195, 106248), (228, 90870), (233, 88920), (234, 88540), (247, 83880), (260, 79686), (285, 72696), (312, 66405), (342, 60580), (360, 57551), (380, 54522), (390, 53124), (456, 45435), (466, 44460), (468, 44270), (494, 41940), (520, 39843), (570, 36348), (585, 35416), (684, 30290), (699, 29640), (741, 27960), (760, 27261), (780, 26562), (855, 24232), (932, 22230), (936, 22135), (988, 20970), (1140, 18174), (1165, 17784), (1170, 17708), (1235, 16776), (1368, 15145), (1398, 14820), (1482, 13980), (1560, 13281), (1710, 12116), (1864, 11115), (1976, 10485), (2097, 9880), (2223, 9320), (2280, 9087), (2330, 8892), (2340, 8854), (2470, 8388), (2796, 7410), (2964, 6990), (3029, 6840), (3420, 6058), (3495, 5928), (3705, 5592), (4194, 4940), (4427, 4680), (4446, 4660)]