20814604

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 37184000

約数和(自身を除く): 16369396

約数列:

[1, 2, 4, 79, 158, 199, 316, 331, 398, 662, 796, 1324, 15721, 26149, 31442, 52298, 62884, 65869, 104596, 131738, 263476, 5203651, 10407302, 20814604]

約数ペア:

[(1, 20814604), (2, 10407302), (4, 5203651), (79, 263476), (158, 131738), (199, 104596), (316, 65869), (331, 62884), (398, 52298), (662, 31442), (796, 26149), (1324, 15721)]