20174492170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1328143}}^1$

素因数の和:1328195

約数の個数: 48

約数和(自身を含む): 43605623808

約数和(自身を除く): 23431131638

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1519, 2170, 3038, 7595, 15190, 1328143, 2656286, 6640715, 9297001, 13281430, 18594002, 41172433, 46485005, 65079007, 82344866, 92970010, 130158014, 205862165, 288207031, 325395035, 411724330, 576414062, 650790070, 1441035155, 2017449217, 2882070310, 4034898434, 10087246085, 20174492170]

約数ペア:

[(1, 20174492170), (2, 10087246085), (5, 4034898434), (7, 2882070310), (10, 2017449217), (14, 1441035155), (31, 650790070), (35, 576414062), (49, 411724330), (62, 325395035), (70, 288207031), (98, 205862165), (155, 130158014), (217, 92970010), (245, 82344866), (310, 65079007), (434, 46485005), (490, 41172433), (1085, 18594002), (1519, 13281430), (2170, 9297001), (3038, 6640715), (7595, 2656286), (15190, 1328143)]