20212465

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1433}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 30836736

約数和(自身を除く): 10624271

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 1433, 2015, 2821, 7165, 10031, 14105, 18629, 44423, 50155, 93145, 130403, 222115, 310961, 577499, 652015, 1554805, 2887495, 4042493, 20212465]

約数ペア:

[(1, 20212465), (5, 4042493), (7, 2887495), (13, 1554805), (31, 652015), (35, 577499), (65, 310961), (91, 222115), (155, 130403), (217, 93145), (403, 50155), (455, 44423), (1085, 18629), (1433, 14105), (2015, 10031), (2821, 7165)]