20197508715

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10437989}}^1$

素因数の和:10438043

約数の個数: 24

約数和(自身を含む): 35823181680

約数和(自身を除く): 15625672965

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10437989, 31313967, 52189945, 93941901, 156569835, 448833527, 469709505, 1346500581, 2244167635, 4039501743, 6732502905, 20197508715]

約数ペア:

[(1, 20197508715), (3, 6732502905), (5, 4039501743), (9, 2244167635), (15, 1346500581), (43, 469709505), (45, 448833527), (129, 156569835), (215, 93941901), (387, 52189945), (645, 31313967), (1935, 10437989)]