20187663028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1213}}^1\times {\mathrm{320053}}^1$

素因数の和:321283

約数の個数: 24

約数和(自身を含む): 38077464488

約数和(自身を除く): 17889801460

約数列:

[1, 2, 4, 13, 26, 52, 1213, 2426, 4852, 15769, 31538, 63076, 320053, 640106, 1280212, 4160689, 8321378, 16642756, 388224289, 776448578, 1552897156, 5046915757, 10093831514, 20187663028]

約数ペア:

[(1, 20187663028), (2, 10093831514), (4, 5046915757), (13, 1552897156), (26, 776448578), (52, 388224289), (1213, 16642756), (2426, 8321378), (4852, 4160689), (15769, 1280212), (31538, 640106), (63076, 320053)]