20217570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1931}}^1$

素因数の和:2290

約数の個数: 32

約数和(自身を含む): 48686400

約数和(自身を除く): 28468830

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 349, 698, 1047, 1745, 1931, 2094, 3490, 3862, 5235, 5793, 9655, 10470, 11586, 19310, 28965, 57930, 673919, 1347838, 2021757, 3369595, 4043514, 6739190, 10108785, 20217570]

約数ペア:

[(1, 20217570), (2, 10108785), (3, 6739190), (5, 4043514), (6, 3369595), (10, 2021757), (15, 1347838), (30, 673919), (349, 57930), (698, 28965), (1047, 19310), (1745, 11586), (1931, 10470), (2094, 9655), (3490, 5793), (3862, 5235)]