20570160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:395

約数の個数: 160

約数和(自身を含む): 72495360

約数和(自身を除く): 51925200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 347, 380, 390, 456, 494, 520, 570, 624, 694, 741, 760, 780, 912, 988, 1040, 1041, 1140, 1235, 1388, 1482, 1520, 1560, 1735, 1976, 2082, 2280, 2470, 2776, 2964, 3120, 3470, 3705, 3952, 4164, 4511, 4560, 4940, 5205, 5552, 5928, 6593, 6940, 7410, 8328, 9022, 9880, 10410, 11856, 13186, 13533, 13880, 14820, 16656, 18044, 19760, 19779, 20820, 22555, 26372, 27066, 27760, 29640, 32965, 36088, 39558, 41640, 45110, 52744, 54132, 59280, 65930, 67665, 72176, 79116, 83280, 85709, 90220, 98895, 105488, 108264, 131860, 135330, 158232, 171418, 180440, 197790, 216528, 257127, 263720, 270660, 316464, 342836, 360880, 395580, 428545, 514254, 527440, 541320, 685672, 791160, 857090, 1028508, 1082640, 1285635, 1371344, 1582320, 1714180, 2057016, 2571270, 3428360, 4114032, 5142540, 6856720, 10285080, 20570160]

約数ペア:

[(1, 20570160), (2, 10285080), (3, 6856720), (4, 5142540), (5, 4114032), (6, 3428360), (8, 2571270), (10, 2057016), (12, 1714180), (13, 1582320), (15, 1371344), (16, 1285635), (19, 1082640), (20, 1028508), (24, 857090), (26, 791160), (30, 685672), (38, 541320), (39, 527440), (40, 514254), (48, 428545), (52, 395580), (57, 360880), (60, 342836), (65, 316464), (76, 270660), (78, 263720), (80, 257127), (95, 216528), (104, 197790), (114, 180440), (120, 171418), (130, 158232), (152, 135330), (156, 131860), (190, 108264), (195, 105488), (208, 98895), (228, 90220), (240, 85709), (247, 83280), (260, 79116), (285, 72176), (304, 67665), (312, 65930), (347, 59280), (380, 54132), (390, 52744), (456, 45110), (494, 41640), (520, 39558), (570, 36088), (624, 32965), (694, 29640), (741, 27760), (760, 27066), (780, 26372), (912, 22555), (988, 20820), (1040, 19779), (1041, 19760), (1140, 18044), (1235, 16656), (1388, 14820), (1482, 13880), (1520, 13533), (1560, 13186), (1735, 11856), (1976, 10410), (2082, 9880), (2280, 9022), (2470, 8328), (2776, 7410), (2964, 6940), (3120, 6593), (3470, 5928), (3705, 5552), (3952, 5205), (4164, 4940), (4511, 4560)]