168987620

素因数分解:

$2^2\times 5^1\times {\mathrm{2243}}^1\times {\mathrm{3767}}^1$

素因数の和:6019

約数の個数: 24

約数和(自身を含む): 355126464

約数和(自身を除く): 186138844

約数列:

[1, 2, 4, 5, 10, 20, 2243, 3767, 4486, 7534, 8972, 11215, 15068, 18835, 22430, 37670, 44860, 75340, 8449381, 16898762, 33797524, 42246905, 84493810, 168987620]

約数ペア:

[(1, 168987620), (2, 84493810), (4, 42246905), (5, 33797524), (10, 16898762), (20, 8449381), (2243, 75340), (3767, 44860), (4486, 37670), (7534, 22430), (8972, 18835), (11215, 15068)]