15213820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9629}}^1$

素因数の和:9717

約数の個数: 24

約数和(自身を含む): 32356800

約数和(自身を除く): 17142980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 9629, 19258, 38516, 48145, 96290, 192580, 760691, 1521382, 3042764, 3803455, 7606910, 15213820]

約数ペア:

[(1, 15213820), (2, 7606910), (4, 3803455), (5, 3042764), (10, 1521382), (20, 760691), (79, 192580), (158, 96290), (316, 48145), (395, 38516), (790, 19258), (1580, 9629)]