20555469

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{523}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 32534112

約数和(自身を除く): 11978643

約数列:

[1, 3, 9, 11, 33, 99, 397, 523, 1191, 1569, 3573, 4367, 4707, 5753, 13101, 17259, 39303, 51777, 207631, 622893, 1868679, 2283941, 6851823, 20555469]

約数ペア:

[(1, 20555469), (3, 6851823), (9, 2283941), (11, 1868679), (33, 622893), (99, 207631), (397, 51777), (523, 39303), (1191, 17259), (1569, 13101), (3573, 5753), (4367, 4707)]