20661180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344353}}^1$

素因数の和:344365

約数の個数: 24

約数和(自身を含む): 57851472

約数和(自身を除く): 37190292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344353, 688706, 1033059, 1377412, 1721765, 2066118, 3443530, 4132236, 5165295, 6887060, 10330590, 20661180]

約数ペア:

[(1, 20661180), (2, 10330590), (3, 6887060), (4, 5165295), (5, 4132236), (6, 3443530), (10, 2066118), (12, 1721765), (15, 1377412), (20, 1033059), (30, 688706), (60, 344353)]