20339430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15767}}^1$

素因数の和:15820

約数の個数: 32

約数和(自身を含む): 49953024

約数和(自身を除く): 29613594

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15767, 31534, 47301, 78835, 94602, 157670, 236505, 473010, 677981, 1355962, 2033943, 3389905, 4067886, 6779810, 10169715, 20339430]

約数ペア:

[(1, 20339430), (2, 10169715), (3, 6779810), (5, 4067886), (6, 3389905), (10, 2033943), (15, 1355962), (30, 677981), (43, 473010), (86, 236505), (129, 157670), (215, 94602), (258, 78835), (430, 47301), (645, 31534), (1290, 15767)]