20876870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12967}}^1$

素因数の和:13004

約数の個数: 32

約数和(自身を含む): 44817408

約数和(自身を除く): 23940538

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12967, 25934, 64835, 90769, 129670, 181538, 298241, 453845, 596482, 907690, 1491205, 2087687, 2982410, 4175374, 10438435, 20876870]

約数ペア:

[(1, 20876870), (2, 10438435), (5, 4175374), (7, 2982410), (10, 2087687), (14, 1491205), (23, 907690), (35, 596482), (46, 453845), (70, 298241), (115, 181538), (161, 129670), (230, 90769), (322, 64835), (805, 25934), (1610, 12967)]