20447030

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70507}}^1$

素因数の和:70543

約数の個数: 16

約数和(自身を含む): 38074320

約数和(自身を除く): 17627290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70507, 141014, 352535, 705070, 2044703, 4089406, 10223515, 20447030]

約数ペア:

[(1, 20447030), (2, 10223515), (5, 4089406), (10, 2044703), (29, 705070), (58, 352535), (145, 141014), (290, 70507)]