17123820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40771}}^1$

素因数の和:40790

約数の個数: 48

約数和(自身を含む): 54797568

約数和(自身を除く): 37673748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 40771, 81542, 122313, 163084, 203855, 244626, 285397, 407710, 489252, 570794, 611565, 815420, 856191, 1141588, 1223130, 1426985, 1712382, 2446260, 2853970, 3424764, 4280955, 5707940, 8561910, 17123820]

約数ペア:

[(1, 17123820), (2, 8561910), (3, 5707940), (4, 4280955), (5, 3424764), (6, 2853970), (7, 2446260), (10, 1712382), (12, 1426985), (14, 1223130), (15, 1141588), (20, 856191), (21, 815420), (28, 611565), (30, 570794), (35, 489252), (42, 407710), (60, 285397), (70, 244626), (84, 203855), (105, 163084), (140, 122313), (210, 81542), (420, 40771)]