20175688316

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{51679}}^1$

素因数の和:51954

約数の個数: 48

約数和(自身を含む): 41119088640

約数和(自身を除く): 20943400324

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 191, 292, 382, 511, 764, 1022, 1337, 2044, 2674, 5348, 13943, 27886, 51679, 55772, 97601, 103358, 195202, 206716, 361753, 390404, 723506, 1447012, 3772567, 7545134, 9870689, 15090268, 19741378, 26407969, 39482756, 52815938, 69094823, 105631876, 138189646, 276379292, 720560297, 1441120594, 2882241188, 5043922079, 10087844158, 20175688316]

約数ペア:

[(1, 20175688316), (2, 10087844158), (4, 5043922079), (7, 2882241188), (14, 1441120594), (28, 720560297), (73, 276379292), (146, 138189646), (191, 105631876), (292, 69094823), (382, 52815938), (511, 39482756), (764, 26407969), (1022, 19741378), (1337, 15090268), (2044, 9870689), (2674, 7545134), (5348, 3772567), (13943, 1447012), (27886, 723506), (51679, 390404), (55772, 361753), (97601, 206716), (103358, 195202)]