20452705

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 10190495

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 569, 1027, 2765, 2845, 3983, 5135, 7189, 7397, 19915, 35945, 36985, 44951, 51779, 224755, 258895, 314657, 584363, 1573285, 2921815, 4090541, 20452705]

約数ペア:

[(1, 20452705), (5, 4090541), (7, 2921815), (13, 1573285), (35, 584363), (65, 314657), (79, 258895), (91, 224755), (395, 51779), (455, 44951), (553, 36985), (569, 35945), (1027, 19915), (2765, 7397), (2845, 7189), (3983, 5135)]