20504042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4357}}^1$

素因数の和:4553

約数の個数: 16

約数和(自身を含む): 33312552

約数和(自身を除く): 12808510

約数列:

[1, 2, 13, 26, 181, 362, 2353, 4357, 4706, 8714, 56641, 113282, 788617, 1577234, 10252021, 20504042]

約数ペア:

[(1, 20504042), (2, 10252021), (13, 1577234), (26, 788617), (181, 113282), (362, 56641), (2353, 8714), (4357, 4706)]