20469982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 14124578

約数列:

[1, 2, 13, 26, 31, 62, 109, 218, 233, 403, 466, 806, 1417, 2834, 3029, 3379, 6058, 6758, 7223, 14446, 25397, 43927, 50794, 87854, 93899, 187798, 330161, 660322, 787307, 1574614, 10234991, 20469982]

約数ペア:

[(1, 20469982), (2, 10234991), (13, 1574614), (26, 787307), (31, 660322), (62, 330161), (109, 187798), (218, 93899), (233, 87854), (403, 50794), (466, 43927), (806, 25397), (1417, 14446), (2834, 7223), (3029, 6758), (3379, 6058)]