20120155970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87478939}}^1$

素因数の和:87478969

約数の個数: 16

約数和(自身を含む): 37790902080

約数和(自身を除く): 17670746110

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87478939, 174957878, 437394695, 874789390, 2012015597, 4024031194, 10060077985, 20120155970]

約数ペア:

[(1, 20120155970), (2, 10060077985), (5, 4024031194), (10, 2012015597), (23, 874789390), (46, 437394695), (115, 174957878), (230, 87478939)]