20070020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32371}}^1$

素因数の和:32411

約数の個数: 24

約数和(自身を含む): 43507968

約数和(自身を除く): 23437948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 32371, 64742, 129484, 161855, 323710, 647420, 1003501, 2007002, 4014004, 5017505, 10035010, 20070020]

約数ペア:

[(1, 20070020), (2, 10035010), (4, 5017505), (5, 4014004), (10, 2007002), (20, 1003501), (31, 647420), (62, 323710), (124, 161855), (155, 129484), (310, 64742), (620, 32371)]