20722995

素因数分解:

$3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1049}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 36036000

約数和(自身を除く): 15313005

約数列:

[1, 3, 5, 9, 15, 45, 439, 1049, 1317, 2195, 3147, 3951, 5245, 6585, 9441, 15735, 19755, 47205, 460511, 1381533, 2302555, 4144599, 6907665, 20722995]

約数ペア:

[(1, 20722995), (3, 6907665), (5, 4144599), (9, 2302555), (15, 1381533), (45, 460511), (439, 47205), (1049, 19755), (1317, 15735), (2195, 9441), (3147, 6585), (3951, 5245)]