20165787

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{12659}}^1$

素因数の和:12727

約数の個数: 16

約数和(自身を含む): 30384000

約数和(自身を除く): 10218213

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 12659, 37977, 113931, 341793, 746881, 2240643, 6721929, 20165787]

約数ペア:

[(1, 20165787), (3, 6721929), (9, 2240643), (27, 746881), (59, 341793), (177, 113931), (531, 37977), (1593, 12659)]