20345286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2393}}^1$

素因数の和:2520

約数の個数: 32

約数和(自身を含む): 44241120

約数和(自身を除く): 23895834

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 218, 327, 654, 1417, 2393, 2834, 4251, 4786, 7179, 8502, 14358, 31109, 62218, 93327, 186654, 260837, 521674, 782511, 1565022, 3390881, 6781762, 10172643, 20345286]

約数ペア:

[(1, 20345286), (2, 10172643), (3, 6781762), (6, 3390881), (13, 1565022), (26, 782511), (39, 521674), (78, 260837), (109, 186654), (218, 93327), (327, 62218), (654, 31109), (1417, 14358), (2393, 8502), (2834, 7179), (4251, 4786)]