20162602820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1379111}}^1$

素因数の和:1379180

約数の個数: 48

約数和(自身を含む): 45874781568

約数和(自身を除く): 25712178748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 1379111, 2758222, 5516444, 6895555, 13791110, 23444887, 27582220, 46889774, 59301773, 93779548, 117224435, 118603546, 234448870, 237207092, 296508865, 468897740, 593017730, 1008130141, 1186035460, 2016260282, 4032520564, 5040650705, 10081301410, 20162602820]

約数ペア:

[(1, 20162602820), (2, 10081301410), (4, 5040650705), (5, 4032520564), (10, 2016260282), (17, 1186035460), (20, 1008130141), (34, 593017730), (43, 468897740), (68, 296508865), (85, 237207092), (86, 234448870), (170, 118603546), (172, 117224435), (215, 93779548), (340, 59301773), (430, 46889774), (731, 27582220), (860, 23444887), (1462, 13791110), (2924, 6895555), (3655, 5516444), (7310, 2758222), (14620, 1379111)]