20140665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4157}}^1$

素因数の和:4201

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 15784455

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4157, 4845, 12471, 20785, 62355, 70669, 78983, 212007, 236949, 353345, 394915, 1060035, 1184745, 1342711, 4028133, 6713555, 20140665]

約数ペア:

[(1, 20140665), (3, 6713555), (5, 4028133), (15, 1342711), (17, 1184745), (19, 1060035), (51, 394915), (57, 353345), (85, 236949), (95, 212007), (255, 78983), (285, 70669), (323, 62355), (969, 20785), (1615, 12471), (4157, 4845)]