20383810

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70289}}^1$

素因数の和:70325

約数の個数: 16

約数和(自身を含む): 37956600

約数和(自身を除く): 17572790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70289, 140578, 351445, 702890, 2038381, 4076762, 10191905, 20383810]

約数ペア:

[(1, 20383810), (2, 10191905), (5, 4076762), (10, 2038381), (29, 702890), (58, 351445), (145, 140578), (290, 70289)]