20753565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{827}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 17400675

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 239, 717, 827, 1195, 1673, 2481, 3585, 4135, 5019, 5789, 8365, 12405, 17367, 25095, 28945, 86835, 197653, 592959, 988265, 1383571, 2964795, 4150713, 6917855, 20753565]

約数ペア:

[(1, 20753565), (3, 6917855), (5, 4150713), (7, 2964795), (15, 1383571), (21, 988265), (35, 592959), (105, 197653), (239, 86835), (717, 28945), (827, 25095), (1195, 17367), (1673, 12405), (2481, 8365), (3585, 5789), (4135, 5019)]