20829015

素因数分解:

$3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{557}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 37229760

約数和(自身を除く): 16400745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 277, 557, 831, 1385, 1671, 2493, 2785, 4155, 5013, 7479, 8355, 12465, 15039, 25065, 37395, 75195, 154289, 462867, 771445, 1388601, 2314335, 4165803, 6943005, 20829015]

約数ペア:

[(1, 20829015), (3, 6943005), (5, 4165803), (9, 2314335), (15, 1388601), (27, 771445), (45, 462867), (135, 154289), (277, 75195), (557, 37395), (831, 25065), (1385, 15039), (1671, 12465), (2493, 8355), (2785, 7479), (4155, 5013)]