201065180

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{19751}}^1$

素因数の和:20269

約数の個数: 24

約数和(自身を含む): 423087840

約数和(自身を除く): 222022660

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 19751, 39502, 79004, 98755, 197510, 395020, 10053259, 20106518, 40213036, 50266295, 100532590, 201065180]

約数ペア:

[(1, 201065180), (2, 100532590), (4, 50266295), (5, 40213036), (10, 20106518), (20, 10053259), (509, 395020), (1018, 197510), (2036, 98755), (2545, 79004), (5090, 39502), (10180, 19751)]