20147980105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1\times {\mathrm{10711}}^1$

素因数の和:12237

約数の個数: 32

約数和(自身を含む): 27543379968

約数和(自身を除く): 7395399863

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 1487, 7435, 10711, 16357, 34201, 53555, 81785, 117821, 171005, 246353, 376211, 589105, 1231765, 1881055, 2709883, 13549415, 15927257, 79636285, 175199827, 366326911, 875999135, 1831634555, 4029596021, 20147980105]

約数ペア:

[(1, 20147980105), (5, 4029596021), (11, 1831634555), (23, 875999135), (55, 366326911), (115, 175199827), (253, 79636285), (1265, 15927257), (1487, 13549415), (7435, 2709883), (10711, 1881055), (16357, 1231765), (34201, 589105), (53555, 376211), (81785, 246353), (117821, 171005)]