20579316

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 51166080

約数和(自身を除く): 30586764

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 281, 359, 562, 718, 843, 1077, 1124, 1436, 1686, 2154, 3372, 4308, 4777, 6103, 9554, 12206, 14331, 18309, 19108, 24412, 28662, 36618, 57324, 73236, 100879, 201758, 302637, 403516, 605274, 1210548, 1714943, 3429886, 5144829, 6859772, 10289658, 20579316]

約数ペア:

[(1, 20579316), (2, 10289658), (3, 6859772), (4, 5144829), (6, 3429886), (12, 1714943), (17, 1210548), (34, 605274), (51, 403516), (68, 302637), (102, 201758), (204, 100879), (281, 73236), (359, 57324), (562, 36618), (718, 28662), (843, 24412), (1077, 19108), (1124, 18309), (1436, 14331), (1686, 12206), (2154, 9554), (3372, 6103), (4308, 4777)]