20408725505

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34300379}}^1$

素因数の和:34300408

約数の個数: 16

約数和(自身を含む): 29635528320

約数和(自身を除く): 9226802815

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 34300379, 171501895, 240102653, 583106443, 1200513265, 2915532215, 4081745101, 20408725505]

約数ペア:

[(1, 20408725505), (5, 4081745101), (7, 2915532215), (17, 1200513265), (35, 583106443), (85, 240102653), (119, 171501895), (595, 34300379)]