20263360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4871}}^1$

素因数の和:4901

約数の個数: 56

約数和(自身を含む): 51974496

約数和(自身を除く): 31711136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4871, 9742, 19484, 24355, 38968, 48710, 63323, 77936, 97420, 126646, 155872, 194840, 253292, 311744, 316615, 389680, 506584, 633230, 779360, 1013168, 1266460, 1558720, 2026336, 2532920, 4052672, 5065840, 10131680, 20263360]

約数ペア:

[(1, 20263360), (2, 10131680), (4, 5065840), (5, 4052672), (8, 2532920), (10, 2026336), (13, 1558720), (16, 1266460), (20, 1013168), (26, 779360), (32, 633230), (40, 506584), (52, 389680), (64, 316615), (65, 311744), (80, 253292), (104, 194840), (130, 155872), (160, 126646), (208, 97420), (260, 77936), (320, 63323), (416, 48710), (520, 38968), (832, 24355), (1040, 19484), (2080, 9742), (4160, 4871)]