20480928

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16411}}^1$

素因数の和:16437

約数の個数: 48

約数和(自身を含む): 57901536

約数和(自身を除く): 37420608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16411, 32822, 49233, 65644, 98466, 131288, 196932, 213343, 262576, 393864, 426686, 525152, 640029, 787728, 853372, 1280058, 1575456, 1706744, 2560116, 3413488, 5120232, 6826976, 10240464, 20480928]

約数ペア:

[(1, 20480928), (2, 10240464), (3, 6826976), (4, 5120232), (6, 3413488), (8, 2560116), (12, 1706744), (13, 1575456), (16, 1280058), (24, 853372), (26, 787728), (32, 640029), (39, 525152), (48, 426686), (52, 393864), (78, 262576), (96, 213343), (104, 196932), (156, 131288), (208, 98466), (312, 65644), (416, 49233), (624, 32822), (1248, 16411)]