20796908524

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1699}}^1\times {\mathrm{3191}}^1$

素因数の和:5038

約数の個数: 48

約数和(自身を含む): 41935219200

約数和(自身を除く): 21138310676

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1699, 1918, 3191, 3398, 3836, 6382, 6796, 11893, 12764, 22337, 23786, 44674, 47572, 89348, 232763, 437167, 465526, 874334, 931052, 1629341, 1748668, 3060169, 3258682, 5421509, 6120338, 6517364, 10843018, 12240676, 21686036, 37950563, 75901126, 151802252, 742746733, 1485493466, 2970986932, 5199227131, 10398454262, 20796908524]

約数ペア:

[(1, 20796908524), (2, 10398454262), (4, 5199227131), (7, 2970986932), (14, 1485493466), (28, 742746733), (137, 151802252), (274, 75901126), (548, 37950563), (959, 21686036), (1699, 12240676), (1918, 10843018), (3191, 6517364), (3398, 6120338), (3836, 5421509), (6382, 3258682), (6796, 3060169), (11893, 1748668), (12764, 1629341), (22337, 931052), (23786, 874334), (44674, 465526), (47572, 437167), (89348, 232763)]