20262825

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2729}}^1$

素因数の和:2759

約数の個数: 48

約数和(自身を含む): 40622400

約数和(自身を除く): 20359575

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 2729, 7425, 8187, 13645, 24561, 30019, 40935, 68225, 73683, 90057, 122805, 150095, 204675, 270171, 368415, 450285, 614025, 750475, 810513, 1350855, 1842075, 2251425, 4052565, 6754275, 20262825]

約数ペア:

[(1, 20262825), (3, 6754275), (5, 4052565), (9, 2251425), (11, 1842075), (15, 1350855), (25, 810513), (27, 750475), (33, 614025), (45, 450285), (55, 368415), (75, 270171), (99, 204675), (135, 150095), (165, 122805), (225, 90057), (275, 73683), (297, 68225), (495, 40935), (675, 30019), (825, 24561), (1485, 13645), (2475, 8187), (2729, 7425)]