20414205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 40759680

約数和(自身を除く): 20345475

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 229, 283, 315, 687, 849, 1145, 1415, 1603, 1981, 2061, 2547, 3435, 4245, 4809, 5943, 8015, 9905, 10305, 12735, 14427, 17829, 24045, 29715, 64807, 72135, 89145, 194421, 324035, 453649, 583263, 972105, 1360947, 2268245, 2916315, 4082841, 6804735, 20414205]

約数ペア:

[(1, 20414205), (3, 6804735), (5, 4082841), (7, 2916315), (9, 2268245), (15, 1360947), (21, 972105), (35, 583263), (45, 453649), (63, 324035), (105, 194421), (229, 89145), (283, 72135), (315, 64807), (687, 29715), (849, 24045), (1145, 17829), (1415, 14427), (1603, 12735), (1981, 10305), (2061, 9905), (2547, 8015), (3435, 5943), (4245, 4809)]