20531258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15299}}^1$

素因数の和:15373

約数の個数: 16

約数和(自身を含む): 34149600

約数和(自身を除く): 13618342

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 15299, 30598, 168289, 336578, 933239, 1866478, 10265629, 20531258]

約数ペア:

[(1, 20531258), (2, 10265629), (11, 1866478), (22, 933239), (61, 336578), (122, 168289), (671, 30598), (1342, 15299)]