20145121430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287787449}}^1$

素因数の和:287787463

約数の個数: 16

約数和(自身を含む): 41441392800

約数和(自身を除く): 21296271370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287787449, 575574898, 1438937245, 2014512143, 2877874490, 4029024286, 10072560715, 20145121430]

約数ペア:

[(1, 20145121430), (2, 10072560715), (5, 4029024286), (7, 2877874490), (10, 2014512143), (14, 1438937245), (35, 575574898), (70, 287787449)]