20035880488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{312241}}^1$

素因数の和:312877

約数の個数: 32

約数和(自身を含む): 40522766760

約数和(自身を除く): 20486886272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 617, 1234, 2468, 4936, 8021, 16042, 32084, 64168, 312241, 624482, 1248964, 2497928, 4059133, 8118266, 16236532, 32473064, 192652697, 385305394, 770610788, 1541221576, 2504485061, 5008970122, 10017940244, 20035880488]

約数ペア:

[(1, 20035880488), (2, 10017940244), (4, 5008970122), (8, 2504485061), (13, 1541221576), (26, 770610788), (52, 385305394), (104, 192652697), (617, 32473064), (1234, 16236532), (2468, 8118266), (4936, 4059133), (8021, 2497928), (16042, 1248964), (32084, 624482), (64168, 312241)]