20349972

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4451}}^1$

素因数の和:4588

約数の個数: 36

約数和(自身を含む): 51856896

約数和(自身を除く): 31506924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4451, 4572, 8902, 13353, 17804, 26706, 40059, 53412, 80118, 160236, 565277, 1130554, 1695831, 2261108, 3391662, 5087493, 6783324, 10174986, 20349972]

約数ペア:

[(1, 20349972), (2, 10174986), (3, 6783324), (4, 5087493), (6, 3391662), (9, 2261108), (12, 1695831), (18, 1130554), (36, 565277), (127, 160236), (254, 80118), (381, 53412), (508, 40059), (762, 26706), (1143, 17804), (1524, 13353), (2286, 8902), (4451, 4572)]