20304235

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12343}}^1$

素因数の和:12402

約数の個数: 16

約数和(自身を含む): 28440576

約数和(自身を除く): 8136341

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 12343, 61715, 86401, 432005, 580121, 2900605, 4060847, 20304235]

約数ペア:

[(1, 20304235), (5, 4060847), (7, 2900605), (35, 580121), (47, 432005), (235, 86401), (329, 61715), (1645, 12343)]