20006325

素因数分解:

$3^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 37229760

約数和(自身を除く): 17223435

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 107, 135, 225, 277, 321, 535, 675, 831, 963, 1385, 1605, 2493, 2675, 2889, 4155, 4815, 6925, 7479, 8025, 12465, 14445, 20775, 24075, 29639, 37395, 62325, 72225, 88917, 148195, 186975, 266751, 444585, 740975, 800253, 1333755, 2222925, 4001265, 6668775, 20006325]

約数ペア:

[(1, 20006325), (3, 6668775), (5, 4001265), (9, 2222925), (15, 1333755), (25, 800253), (27, 740975), (45, 444585), (75, 266751), (107, 186975), (135, 148195), (225, 88917), (277, 72225), (321, 62325), (535, 37395), (675, 29639), (831, 24075), (963, 20775), (1385, 14445), (1605, 12465), (2493, 8025), (2675, 7479), (2889, 6925), (4155, 4815)]