20108518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11159}}^1$

素因数の和:11231

約数の個数: 16

約数和(自身を含む): 32542560

約数和(自身を除く): 12434042

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11159, 22318, 189703, 379406, 591427, 1182854, 10054259, 20108518]

約数ペア:

[(1, 20108518), (2, 10054259), (17, 1182854), (34, 591427), (53, 379406), (106, 189703), (901, 22318), (1802, 11159)]