20180497672

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{122401}}^1$

素因数の和:123001

約数の個数: 32

約数和(自身を含む): 38931180120

約数和(自身を除く): 18750682448

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 557, 1114, 2228, 4456, 20609, 41218, 82436, 122401, 164872, 244802, 489604, 979208, 4528837, 9057674, 18115348, 36230696, 68177357, 136354714, 272709428, 545418856, 2522562209, 5045124418, 10090248836, 20180497672]

約数ペア:

[(1, 20180497672), (2, 10090248836), (4, 5045124418), (8, 2522562209), (37, 545418856), (74, 272709428), (148, 136354714), (296, 68177357), (557, 36230696), (1114, 18115348), (2228, 9057674), (4456, 4528837), (20609, 979208), (41218, 489604), (82436, 244802), (122401, 164872)]