20307908

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 36197280

約数和(自身を除く): 15889372

約数列:

[1, 2, 4, 113, 179, 226, 251, 358, 452, 502, 716, 1004, 20227, 28363, 40454, 44929, 56726, 80908, 89858, 113452, 179716, 5076977, 10153954, 20307908]

約数ペア:

[(1, 20307908), (2, 10153954), (4, 5076977), (113, 179716), (179, 113452), (226, 89858), (251, 80908), (358, 56726), (452, 44929), (502, 40454), (716, 28363), (1004, 20227)]