20178690860

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9795481}}^1$

素因数の和:9795593

約数の個数: 24

約数和(自身を含む): 42786665376

約数和(自身を除く): 22607974516

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9795481, 19590962, 39181924, 48977405, 97954810, 195909620, 1008934543, 2017869086, 4035738172, 5044672715, 10089345430, 20178690860]

約数ペア:

[(1, 20178690860), (2, 10089345430), (4, 5044672715), (5, 4035738172), (10, 2017869086), (20, 1008934543), (103, 195909620), (206, 97954810), (412, 48977405), (515, 39181924), (1030, 19590962), (2060, 9795481)]