420170115460

素因数分解:

$2^2\times 5^1\times {\mathrm{21008505773}}^1$

素因数の和:21008505782

約数の個数: 12

約数和(自身を含む): 882357242508

約数和(自身を除く): 462187127048

約数列:

[1, 2, 4, 5, 10, 20, 21008505773, 42017011546, 84034023092, 105042528865, 210085057730, 420170115460]

約数ペア:

[(1, 420170115460), (2, 210085057730), (4, 105042528865), (5, 84034023092), (10, 42017011546), (20, 21008505773)]