20121656

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{16657}}^1$

素因数の和:16814

約数の個数: 16

約数和(自身を含む): 37980240

約数和(自身を除く): 17858584

約数列:

[1, 2, 4, 8, 151, 302, 604, 1208, 16657, 33314, 66628, 133256, 2515207, 5030414, 10060828, 20121656]

約数ペア:

[(1, 20121656), (2, 10060828), (4, 5030414), (8, 2515207), (151, 133256), (302, 66628), (604, 33314), (1208, 16657)]