20347001668

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2805709}}^1$

素因数の和:2805764

約数の個数: 36

約数和(自身を含む): 42540175020

約数和(自身を除く): 22193173352

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 3626, 7252, 2805709, 5611418, 11222836, 19639963, 39279926, 78559852, 103811233, 137479741, 207622466, 274959482, 415244932, 549918964, 726678631, 1453357262, 2906714524, 5086750417, 10173500834, 20347001668]

約数ペア:

[(1, 20347001668), (2, 10173500834), (4, 5086750417), (7, 2906714524), (14, 1453357262), (28, 726678631), (37, 549918964), (49, 415244932), (74, 274959482), (98, 207622466), (148, 137479741), (196, 103811233), (259, 78559852), (518, 39279926), (1036, 19639963), (1813, 11222836), (3626, 5611418), (7252, 2805709)]