20455545

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123973}}^1$

素因数の和:123992

約数の個数: 16

約数和(自身を含む): 35704512

約数和(自身を除く): 15248967

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 123973, 371919, 619865, 1363703, 1859595, 4091109, 6818515, 20455545]

約数ペア:

[(1, 20455545), (3, 6818515), (5, 4091109), (11, 1859595), (15, 1363703), (33, 619865), (55, 371919), (165, 123973)]