20973992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{201673}}^1$

素因数の和:201692

約数の個数: 16

約数和(自身を含む): 42351540

約数和(自身を除く): 21377548

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 201673, 403346, 806692, 1613384, 2621749, 5243498, 10486996, 20973992]

約数ペア:

[(1, 20973992), (2, 10486996), (4, 5243498), (8, 2621749), (13, 1613384), (26, 806692), (52, 403346), (104, 201673)]