20797170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4253}}^1$

素因数の和:4426

約数の個数: 32

約数和(自身を含む): 50231232

約数和(自身を除く): 29434062

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4253, 4890, 8506, 12759, 21265, 25518, 42530, 63795, 127590, 693239, 1386478, 2079717, 3466195, 4159434, 6932390, 10398585, 20797170]

約数ペア:

[(1, 20797170), (2, 10398585), (3, 6932390), (5, 4159434), (6, 3466195), (10, 2079717), (15, 1386478), (30, 693239), (163, 127590), (326, 63795), (489, 42530), (815, 25518), (978, 21265), (1630, 12759), (2445, 8506), (4253, 4890)]