20435972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{757}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 38012184

約数和(自身を除く): 17576212

約数列:

[1, 2, 4, 17, 34, 68, 397, 757, 794, 1514, 1588, 3028, 6749, 12869, 13498, 25738, 26996, 51476, 300529, 601058, 1202116, 5108993, 10217986, 20435972]

約数ペア:

[(1, 20435972), (2, 10217986), (4, 5108993), (17, 1202116), (34, 601058), (68, 300529), (397, 51476), (757, 26996), (794, 25738), (1514, 13498), (1588, 12869), (3028, 6749)]