20162021585

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1\times {\mathrm{839}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 24791961600

約数和(自身を除く): 4629940015

約数列:

[1, 5, 71, 139, 355, 487, 695, 839, 2435, 4195, 9869, 34577, 49345, 59569, 67693, 116621, 172885, 297845, 338465, 408593, 583105, 2042965, 4806203, 8280091, 24031015, 29010103, 41400455, 56794427, 145050515, 283972135, 4032404317, 20162021585]

約数ペア:

[(1, 20162021585), (5, 4032404317), (71, 283972135), (139, 145050515), (355, 56794427), (487, 41400455), (695, 29010103), (839, 24031015), (2435, 8280091), (4195, 4806203), (9869, 2042965), (34577, 583105), (49345, 408593), (59569, 338465), (67693, 297845), (116621, 172885)]