13470020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 36

約数和(自身を含む): 28917252

約数和(自身を除く): 15447232

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 181, 244, 305, 362, 610, 724, 905, 1220, 1810, 3620, 3721, 7442, 11041, 14884, 18605, 22082, 37210, 44164, 55205, 74420, 110410, 220820, 673501, 1347002, 2694004, 3367505, 6735010, 13470020]

約数ペア:

[(1, 13470020), (2, 6735010), (4, 3367505), (5, 2694004), (10, 1347002), (20, 673501), (61, 220820), (122, 110410), (181, 74420), (244, 55205), (305, 44164), (362, 37210), (610, 22082), (724, 18605), (905, 14884), (1220, 11041), (1810, 7442), (3620, 3721)]