20261475

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2309}}^1$

素因数の和:2341

約数の個数: 48

約数和(自身を含む): 40101600

約数和(自身を除く): 19840125

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2309, 2925, 6927, 8775, 11545, 20781, 30017, 34635, 57725, 62343, 90051, 103905, 150085, 173175, 270153, 311715, 450255, 519525, 750425, 810459, 1350765, 1558575, 2251275, 4052295, 6753825, 20261475]

約数ペア:

[(1, 20261475), (3, 6753825), (5, 4052295), (9, 2251275), (13, 1558575), (15, 1350765), (25, 810459), (27, 750425), (39, 519525), (45, 450255), (65, 311715), (75, 270153), (117, 173175), (135, 150085), (195, 103905), (225, 90051), (325, 62343), (351, 57725), (585, 34635), (675, 30017), (975, 20781), (1755, 11545), (2309, 8775), (2925, 6927)]