20808687620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148633483}}^1$

素因数の和:148633499

約数の個数: 24

約数和(自身を含む): 49940850624

約数和(自身を除く): 29132163004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148633483, 297266966, 594533932, 743167415, 1040434381, 1486334830, 2080868762, 2972669660, 4161737524, 5202171905, 10404343810, 20808687620]

約数ペア:

[(1, 20808687620), (2, 10404343810), (4, 5202171905), (5, 4161737524), (7, 2972669660), (10, 2080868762), (14, 1486334830), (20, 1040434381), (28, 743167415), (35, 594533932), (70, 297266966), (140, 148633483)]