20541180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31123}}^1$

素因数の和:31146

約数の個数: 48

約数和(自身を含む): 62745984

約数和(自身を除く): 42204804

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31123, 62246, 93369, 124492, 155615, 186738, 311230, 342353, 373476, 466845, 622460, 684706, 933690, 1027059, 1369412, 1711765, 1867380, 2054118, 3423530, 4108236, 5135295, 6847060, 10270590, 20541180]

約数ペア:

[(1, 20541180), (2, 10270590), (3, 6847060), (4, 5135295), (5, 4108236), (6, 3423530), (10, 2054118), (11, 1867380), (12, 1711765), (15, 1369412), (20, 1027059), (22, 933690), (30, 684706), (33, 622460), (44, 466845), (55, 373476), (60, 342353), (66, 311230), (110, 186738), (132, 155615), (165, 124492), (220, 93369), (330, 62246), (660, 31123)]