2020007745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{377219}}^1$

素因数の和:377254

約数の個数: 48

約数和(自身を含む): 4236935040

約数和(自身を除く): 2216927295

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 5355, 377219, 1131657, 1886095, 2640533, 3394971, 5658285, 6412723, 7921599, 13202665, 16974855, 19238169, 23764797, 32063615, 39607995, 44889061, 57714507, 96190845, 118823985, 134667183, 224445305, 288572535, 404001549, 673335915, 2020007745]

約数ペア:

[(1, 2020007745), (3, 673335915), (5, 404001549), (7, 288572535), (9, 224445305), (15, 134667183), (17, 118823985), (21, 96190845), (35, 57714507), (45, 44889061), (51, 39607995), (63, 32063615), (85, 23764797), (105, 19238169), (119, 16974855), (153, 13202665), (255, 7921599), (315, 6412723), (357, 5658285), (595, 3394971), (765, 2640533), (1071, 1886095), (1785, 1131657), (5355, 377219)]