20106585

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10391}}^1$

素因数の和:10445

約数の個数: 24

約数和(自身を含む): 35665344

約数和(自身を除く): 15558759

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 10391, 31173, 51955, 93519, 155865, 446813, 467595, 1340439, 2234065, 4021317, 6702195, 20106585]

約数ペア:

[(1, 20106585), (3, 6702195), (5, 4021317), (9, 2234065), (15, 1340439), (43, 467595), (45, 446813), (129, 155865), (215, 93519), (387, 51955), (645, 31173), (1935, 10391)]