20320852040

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5237333}}^1$

素因数の和:5237441

約数の個数: 32

約数和(自身を含む): 46193285880

約数和(自身を除く): 25872433840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 5237333, 10474666, 20949332, 26186665, 41898664, 52373330, 104746660, 209493320, 508021301, 1016042602, 2032085204, 2540106505, 4064170408, 5080213010, 10160426020, 20320852040]

約数ペア:

[(1, 20320852040), (2, 10160426020), (4, 5080213010), (5, 4064170408), (8, 2540106505), (10, 2032085204), (20, 1016042602), (40, 508021301), (97, 209493320), (194, 104746660), (388, 52373330), (485, 41898664), (776, 26186665), (970, 20949332), (1940, 10474666), (3880, 5237333)]