20201890725

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1301249}}^1$

素因数の和:1301291

約数の個数: 48

約数和(自身を含む): 38725200000

約数和(自身を除く): 18523309275

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 575, 621, 675, 1035, 1725, 3105, 5175, 15525, 1301249, 3903747, 6506245, 11711241, 19518735, 29928727, 32531225, 35133723, 58556205, 89786181, 97593675, 149643635, 175668615, 269358543, 292781025, 448930905, 748218175, 808075629, 878343075, 1346792715, 2244654525, 4040378145, 6733963575, 20201890725]

約数ペア:

[(1, 20201890725), (3, 6733963575), (5, 4040378145), (9, 2244654525), (15, 1346792715), (23, 878343075), (25, 808075629), (27, 748218175), (45, 448930905), (69, 292781025), (75, 269358543), (115, 175668615), (135, 149643635), (207, 97593675), (225, 89786181), (345, 58556205), (575, 35133723), (621, 32531225), (675, 29928727), (1035, 19518735), (1725, 11711241), (3105, 6506245), (5175, 3903747), (15525, 1301249)]