20916818836

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1\times {\mathrm{13879}}^1$

素因数の和:14536

約数の個数: 48

約数和(自身を含む): 39874464000

約数和(自身を除く): 18957645164

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 599, 629, 1198, 1258, 2396, 2516, 10183, 13879, 20366, 22163, 27758, 40732, 44326, 55516, 88652, 235943, 376771, 471886, 513523, 753542, 943772, 1027046, 1507084, 2054092, 8313521, 8729891, 16627042, 17459782, 33254084, 34919564, 141329857, 282659714, 307600277, 565319428, 615200554, 1230401108, 5229204709, 10458409418, 20916818836]

約数ペア:

[(1, 20916818836), (2, 10458409418), (4, 5229204709), (17, 1230401108), (34, 615200554), (37, 565319428), (68, 307600277), (74, 282659714), (148, 141329857), (599, 34919564), (629, 33254084), (1198, 17459782), (1258, 16627042), (2396, 8729891), (2516, 8313521), (10183, 2054092), (13879, 1507084), (20366, 1027046), (22163, 943772), (27758, 753542), (40732, 513523), (44326, 471886), (55516, 376771), (88652, 235943)]