20164920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{853}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 60873120

約数和(自身を除く): 40708200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 853, 985, 1182, 1576, 1706, 1970, 2364, 2559, 2955, 3412, 3940, 4265, 4728, 5118, 5910, 6824, 7880, 8530, 10236, 11820, 12795, 17060, 20472, 23640, 25590, 34120, 51180, 102360, 168041, 336082, 504123, 672164, 840205, 1008246, 1344328, 1680410, 2016492, 2520615, 3360820, 4032984, 5041230, 6721640, 10082460, 20164920]

約数ペア:

[(1, 20164920), (2, 10082460), (3, 6721640), (4, 5041230), (5, 4032984), (6, 3360820), (8, 2520615), (10, 2016492), (12, 1680410), (15, 1344328), (20, 1008246), (24, 840205), (30, 672164), (40, 504123), (60, 336082), (120, 168041), (197, 102360), (394, 51180), (591, 34120), (788, 25590), (853, 23640), (985, 20472), (1182, 17060), (1576, 12795), (1706, 11820), (1970, 10236), (2364, 8530), (2559, 7880), (2955, 6824), (3412, 5910), (3940, 5118), (4265, 4728)]