20699430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{689981}}^1$

素因数の和:689991

約数の個数: 16

約数和(自身を含む): 49678704

約数和(自身を除く): 28979274

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 689981, 1379962, 2069943, 3449905, 4139886, 6899810, 10349715, 20699430]

約数ペア:

[(1, 20699430), (2, 10349715), (3, 6899810), (5, 4139886), (6, 3449905), (10, 2069943), (15, 1379962), (30, 689981)]