20091825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6869}}^1$

素因数の和:6898

約数の個数: 36

約数和(自身を含む): 38760540

約数和(自身を除く): 18668715

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6869, 20607, 34345, 61821, 89297, 103035, 171725, 267891, 309105, 446485, 515175, 803673, 1339455, 1545525, 2232425, 4018365, 6697275, 20091825]

約数ペア:

[(1, 20091825), (3, 6697275), (5, 4018365), (9, 2232425), (13, 1545525), (15, 1339455), (25, 803673), (39, 515175), (45, 446485), (65, 309105), (75, 267891), (117, 171725), (195, 103035), (225, 89297), (325, 61821), (585, 34345), (975, 20607), (2925, 6869)]