20814638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4423}}^1$

素因数の和:4619

約数の個数: 16

約数和(自身を含む): 33817056

約数和(自身を除く): 13002418

約数列:

[1, 2, 13, 26, 181, 362, 2353, 4423, 4706, 8846, 57499, 114998, 800563, 1601126, 10407319, 20814638]

約数ペア:

[(1, 20814638), (2, 10407319), (13, 1601126), (26, 800563), (181, 114998), (362, 57499), (2353, 8846), (4423, 4706)]