20983260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1831}}^1$

素因数の和:2034

約数の個数: 48

約数和(自身を含む): 59092992

約数和(自身を除く): 38109732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1831, 1910, 2292, 2865, 3662, 3820, 5493, 5730, 7324, 9155, 10986, 11460, 18310, 21972, 27465, 36620, 54930, 109860, 349721, 699442, 1049163, 1398884, 1748605, 2098326, 3497210, 4196652, 5245815, 6994420, 10491630, 20983260]

約数ペア:

[(1, 20983260), (2, 10491630), (3, 6994420), (4, 5245815), (5, 4196652), (6, 3497210), (10, 2098326), (12, 1748605), (15, 1398884), (20, 1049163), (30, 699442), (60, 349721), (191, 109860), (382, 54930), (573, 36620), (764, 27465), (955, 21972), (1146, 18310), (1831, 11460), (1910, 10986), (2292, 9155), (2865, 7324), (3662, 5730), (3820, 5493)]