20295135

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3391}}^1$

素因数の和:3428

約数の個数: 48

約数和(自身を含む): 42332160

約数和(自身を除く): 22037025

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 3391, 5985, 10173, 16955, 23737, 30519, 50865, 64429, 71211, 118685, 152595, 193287, 213633, 322145, 356055, 451003, 579861, 966435, 1068165, 1353009, 2255015, 2899305, 4059027, 6765045, 20295135]

約数ペア:

[(1, 20295135), (3, 6765045), (5, 4059027), (7, 2899305), (9, 2255015), (15, 1353009), (19, 1068165), (21, 966435), (35, 579861), (45, 451003), (57, 356055), (63, 322145), (95, 213633), (105, 193287), (133, 152595), (171, 118685), (285, 71211), (315, 64429), (399, 50865), (665, 30519), (855, 23737), (1197, 16955), (1995, 10173), (3391, 5985)]