20505330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5557}}^1$

素因数の和:5611

約数の個数: 48

約数和(自身を含む): 54624024

約数和(自身を除く): 34118694

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5557, 11114, 16671, 27785, 33342, 50013, 55570, 83355, 100026, 166710, 227837, 250065, 455674, 500130, 683511, 1139185, 1367022, 2050533, 2278370, 3417555, 4101066, 6835110, 10252665, 20505330]

約数ペア:

[(1, 20505330), (2, 10252665), (3, 6835110), (5, 4101066), (6, 3417555), (9, 2278370), (10, 2050533), (15, 1367022), (18, 1139185), (30, 683511), (41, 500130), (45, 455674), (82, 250065), (90, 227837), (123, 166710), (205, 100026), (246, 83355), (369, 55570), (410, 50013), (615, 33342), (738, 27785), (1230, 16671), (1845, 11114), (3690, 5557)]