20776479424

素因数分解:

$2^6\times {\mathrm{691}}^1\times {\mathrm{469801}}^1$

素因数の和:470504

約数の個数: 28

約数和(自身を含む): 41288078968

約数和(自身を除く): 20511599544

約数列:

[1, 2, 4, 8, 16, 32, 64, 691, 1382, 2764, 5528, 11056, 22112, 44224, 469801, 939602, 1879204, 3758408, 7516816, 15033632, 30067264, 324632491, 649264982, 1298529964, 2597059928, 5194119856, 10388239712, 20776479424]

約数ペア:

[(1, 20776479424), (2, 10388239712), (4, 5194119856), (8, 2597059928), (16, 1298529964), (32, 649264982), (64, 324632491), (691, 30067264), (1382, 15033632), (2764, 7516816), (5528, 3758408), (11056, 1879204), (22112, 939602), (44224, 469801)]