20155665

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 33246720

約数和(自身を除く): 13091055

約数列:

[1, 3, 5, 15, 73, 79, 219, 233, 237, 365, 395, 699, 1095, 1165, 1185, 3495, 5767, 17009, 17301, 18407, 28835, 51027, 55221, 85045, 86505, 92035, 255135, 276105, 1343711, 4031133, 6718555, 20155665]

約数ペア:

[(1, 20155665), (3, 6718555), (5, 4031133), (15, 1343711), (73, 276105), (79, 255135), (219, 92035), (233, 86505), (237, 85045), (365, 55221), (395, 51027), (699, 28835), (1095, 18407), (1165, 17301), (1185, 17009), (3495, 5767)]