20121366

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{145807}}^1$

素因数の和:145835

約数の個数: 16

約数和(自身を含む): 41992704

約数和(自身を除く): 21871338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 145807, 291614, 437421, 874842, 3353561, 6707122, 10060683, 20121366]

約数ペア:

[(1, 20121366), (2, 10060683), (3, 6707122), (6, 3353561), (23, 874842), (46, 437421), (69, 291614), (138, 145807)]