20524595

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 30750720

約数和(自身を除く): 10226125

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 571, 1027, 2765, 2855, 3997, 5135, 7189, 7423, 19985, 35945, 37115, 45109, 51961, 225545, 259805, 315763, 586417, 1578815, 2932085, 4104919, 20524595]

約数ペア:

[(1, 20524595), (5, 4104919), (7, 2932085), (13, 1578815), (35, 586417), (65, 315763), (79, 259805), (91, 225545), (395, 51961), (455, 45109), (553, 37115), (571, 35945), (1027, 19985), (2765, 7423), (2855, 7189), (3997, 5135)]