20534059

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 6560981

約数列:

[1, 7, 13, 29, 31, 91, 203, 217, 251, 377, 403, 899, 1757, 2639, 2821, 3263, 6293, 7279, 7781, 11687, 22841, 50953, 54467, 81809, 94627, 101153, 225649, 662389, 708071, 1579543, 2933437, 20534059]

約数ペア:

[(1, 20534059), (7, 2933437), (13, 1579543), (29, 708071), (31, 662389), (91, 225649), (203, 101153), (217, 94627), (251, 81809), (377, 54467), (403, 50953), (899, 22841), (1757, 11687), (2639, 7781), (2821, 7279), (3263, 6293)]