20194125045

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{666143}}^1$

素因数の和:666241

約数の個数: 32

約数和(自身を含む): 33765507072

約数和(自身を除く): 13571382027

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 645, 705, 2021, 6063, 10105, 30315, 666143, 1998429, 3330715, 9992145, 28644149, 31308721, 85932447, 93926163, 143220745, 156543605, 429662235, 469630815, 1346275003, 4038825009, 6731375015, 20194125045]

約数ペア:

[(1, 20194125045), (3, 6731375015), (5, 4038825009), (15, 1346275003), (43, 469630815), (47, 429662235), (129, 156543605), (141, 143220745), (215, 93926163), (235, 85932447), (645, 31308721), (705, 28644149), (2021, 9992145), (6063, 3330715), (10105, 1998429), (30315, 666143)]