20748624

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:876

約数の個数: 80

約数和(自身を含む): 59204544

約数和(自身を除く): 38455920

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 41, 48, 52, 78, 82, 104, 123, 156, 164, 208, 246, 312, 328, 492, 533, 624, 656, 811, 984, 1066, 1599, 1622, 1968, 2132, 2433, 3198, 3244, 4264, 4866, 6396, 6488, 8528, 9732, 10543, 12792, 12976, 19464, 21086, 25584, 31629, 33251, 38928, 42172, 63258, 66502, 84344, 99753, 126516, 133004, 168688, 199506, 253032, 266008, 399012, 432263, 506064, 532016, 798024, 864526, 1296789, 1596048, 1729052, 2593578, 3458104, 5187156, 6916208, 10374312, 20748624]

約数ペア:

[(1, 20748624), (2, 10374312), (3, 6916208), (4, 5187156), (6, 3458104), (8, 2593578), (12, 1729052), (13, 1596048), (16, 1296789), (24, 864526), (26, 798024), (39, 532016), (41, 506064), (48, 432263), (52, 399012), (78, 266008), (82, 253032), (104, 199506), (123, 168688), (156, 133004), (164, 126516), (208, 99753), (246, 84344), (312, 66502), (328, 63258), (492, 42172), (533, 38928), (624, 33251), (656, 31629), (811, 25584), (984, 21086), (1066, 19464), (1599, 12976), (1622, 12792), (1968, 10543), (2132, 9732), (2433, 8528), (3198, 6488), (3244, 6396), (4264, 4866)]