20825052605

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1\times {\mathrm{20029}}^1$

素因数の和:20589

約数の個数: 32

約数和(自身を含む): 29089328640

約数和(自身を除く): 8264276035

約数列:

[1, 5, 7, 35, 61, 305, 427, 487, 2135, 2435, 3409, 17045, 20029, 29707, 100145, 140203, 148535, 207949, 701015, 1039745, 1221769, 6108845, 8552383, 9754123, 42761915, 48770615, 68278861, 341394305, 595001503, 2975007515, 4165010521, 20825052605]

約数ペア:

[(1, 20825052605), (5, 4165010521), (7, 2975007515), (35, 595001503), (61, 341394305), (305, 68278861), (427, 48770615), (487, 42761915), (2135, 9754123), (2435, 8552383), (3409, 6108845), (17045, 1221769), (20029, 1039745), (29707, 701015), (100145, 207949), (140203, 148535)]