20796945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4637}}^1$

素因数の和:4681

約数の個数: 32

約数和(自身を含む): 37400832

約数和(自身を除く): 16603887

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 4637, 13911, 23185, 60281, 69555, 106651, 180843, 301405, 319953, 533255, 904215, 1386463, 1599765, 4159389, 6932315, 20796945]

約数ペア:

[(1, 20796945), (3, 6932315), (5, 4159389), (13, 1599765), (15, 1386463), (23, 904215), (39, 533255), (65, 319953), (69, 301405), (115, 180843), (195, 106651), (299, 69555), (345, 60281), (897, 23185), (1495, 13911), (4485, 4637)]