20172597915

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1\times {\mathrm{1823}}^1$

素因数の和:2364

約数の個数: 64

約数和(自身を含む): 34040217600

約数和(自身を除く): 13867619685

約数列:

[1, 3, 5, 15, 31, 53, 93, 155, 159, 265, 449, 465, 795, 1347, 1643, 1823, 2245, 4929, 5469, 6735, 8215, 9115, 13919, 23797, 24645, 27345, 41757, 56513, 69595, 71391, 96619, 118985, 169539, 208785, 282565, 289857, 356955, 483095, 737707, 818527, 847695, 1449285, 2213121, 2455581, 2995189, 3688535, 4092635, 8985567, 11065605, 12277905, 14975945, 25374337, 43381931, 44927835, 76123011, 126871685, 130145793, 216909655, 380615055, 650728965, 1344839861, 4034519583, 6724199305, 20172597915]

約数ペア:

[(1, 20172597915), (3, 6724199305), (5, 4034519583), (15, 1344839861), (31, 650728965), (53, 380615055), (93, 216909655), (155, 130145793), (159, 126871685), (265, 76123011), (449, 44927835), (465, 43381931), (795, 25374337), (1347, 14975945), (1643, 12277905), (1823, 11065605), (2245, 8985567), (4929, 4092635), (5469, 3688535), (6735, 2995189), (8215, 2455581), (9115, 2213121), (13919, 1449285), (23797, 847695), (24645, 818527), (27345, 737707), (41757, 483095), (56513, 356955), (69595, 289857), (71391, 282565), (96619, 208785), (118985, 169539)]