20121550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17497}}^1$

素因数の和:17532

約数の個数: 24

約数和(自身を含む): 39055536

約数和(自身を除く): 18933986

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17497, 34994, 87485, 174970, 402431, 437425, 804862, 874850, 2012155, 4024310, 10060775, 20121550]

約数ペア:

[(1, 20121550), (2, 10060775), (5, 4024310), (10, 2012155), (23, 874850), (25, 804862), (46, 437425), (50, 402431), (115, 174970), (230, 87485), (575, 34994), (1150, 17497)]