20103560

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{929}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 45365400

約数和(自身を除く): 25261840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 929, 1082, 1858, 2164, 2705, 3716, 4328, 4645, 5410, 7432, 9290, 10820, 18580, 21640, 37160, 502589, 1005178, 2010356, 2512945, 4020712, 5025890, 10051780, 20103560]

約数ペア:

[(1, 20103560), (2, 10051780), (4, 5025890), (5, 4020712), (8, 2512945), (10, 2010356), (20, 1005178), (40, 502589), (541, 37160), (929, 21640), (1082, 18580), (1858, 10820), (2164, 9290), (2705, 7432), (3716, 5410), (4328, 4645)]