20455065

素因数分解:

$3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{547}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 36562560

約数和(自身を除く): 16107495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 277, 547, 831, 1385, 1641, 2493, 2735, 4155, 4923, 7479, 8205, 12465, 14769, 24615, 37395, 73845, 151519, 454557, 757595, 1363671, 2272785, 4091013, 6818355, 20455065]

約数ペア:

[(1, 20455065), (3, 6818355), (5, 4091013), (9, 2272785), (15, 1363671), (27, 757595), (45, 454557), (135, 151519), (277, 73845), (547, 37395), (831, 24615), (1385, 14769), (1641, 12465), (2493, 8205), (2735, 7479), (4155, 4923)]