20121557774

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{17609}}^1\times {\mathrm{24841}}^1$

素因数の和:42475

約数の個数: 16

約数和(自身を含む): 31497668640

約数和(自身を除く): 11376110866

約数列:

[1, 2, 23, 46, 17609, 24841, 35218, 49682, 405007, 571343, 810014, 1142686, 437425169, 874850338, 10060778887, 20121557774]

約数ペア:

[(1, 20121557774), (2, 10060778887), (23, 874850338), (46, 437425169), (17609, 1142686), (24841, 810014), (35218, 571343), (49682, 405007)]