20165621

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1747}}^1$

素因数の和:1868

約数の個数: 16

約数和(自身を含む): 24667776

約数和(自身を除く): 4502155

約数列:

[1, 7, 17, 97, 119, 679, 1649, 1747, 11543, 12229, 29699, 169459, 207893, 1186213, 2880803, 20165621]

約数ペア:

[(1, 20165621), (7, 2880803), (17, 1186213), (97, 207893), (119, 169459), (679, 29699), (1649, 12229), (1747, 11543)]