20007817375

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1758929}}^1$

素因数の和:1758964

約数の個数: 32

約数和(自身を含む): 30732024960

約数和(自身を除く): 10724207585

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 875, 1625, 2275, 11375, 1758929, 8794645, 12312503, 22866077, 43973225, 61562515, 114330385, 160062539, 219866125, 307812575, 571651925, 800312695, 1539062875, 2858259625, 4001563475, 20007817375]

約数ペア:

[(1, 20007817375), (5, 4001563475), (7, 2858259625), (13, 1539062875), (25, 800312695), (35, 571651925), (65, 307812575), (91, 219866125), (125, 160062539), (175, 114330385), (325, 61562515), (455, 43973225), (875, 22866077), (1625, 12312503), (2275, 8794645), (11375, 1758929)]