20879766

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 47056464

約数和(自身を除く): 26176698

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 107, 111, 214, 222, 293, 321, 333, 586, 642, 666, 879, 963, 1758, 1926, 2637, 3959, 5274, 7918, 10841, 11877, 21682, 23754, 31351, 32523, 35631, 62702, 65046, 71262, 94053, 97569, 188106, 195138, 282159, 564318, 1159987, 2319974, 3479961, 6959922, 10439883, 20879766]

約数ペア:

[(1, 20879766), (2, 10439883), (3, 6959922), (6, 3479961), (9, 2319974), (18, 1159987), (37, 564318), (74, 282159), (107, 195138), (111, 188106), (214, 97569), (222, 94053), (293, 71262), (321, 65046), (333, 62702), (586, 35631), (642, 32523), (666, 31351), (879, 23754), (963, 21682), (1758, 11877), (1926, 10841), (2637, 7918), (3959, 5274)]