20185407

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4973}}^1$

素因数の和:5031

約数の個数: 24

約数和(自身を含む): 32589648

約数和(自身を除く): 12404241

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 4973, 14919, 44757, 54703, 164109, 203893, 492327, 611679, 1835037, 2242823, 6728469, 20185407]

約数ペア:

[(1, 20185407), (3, 6728469), (9, 2242823), (11, 1835037), (33, 611679), (41, 492327), (99, 203893), (123, 164109), (369, 54703), (451, 44757), (1353, 14919), (4059, 4973)]