20237035

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 30320640

約数和(自身を除く): 10083605

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 563, 1027, 2765, 2815, 3941, 5135, 7189, 7319, 19705, 35945, 36595, 44477, 51233, 222385, 256165, 311339, 578201, 1556695, 2891005, 4047407, 20237035]

約数ペア:

[(1, 20237035), (5, 4047407), (7, 2891005), (13, 1556695), (35, 578201), (65, 311339), (79, 256165), (91, 222385), (395, 51233), (455, 44477), (553, 36595), (563, 35945), (1027, 19705), (2765, 7319), (2815, 7189), (3941, 5135)]