20289371325

素因数分解:

$3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1087}}^1\times {\mathrm{1303}}^1$

素因数の和:2594

約数の個数: 48

約数和(自身を含む): 33777647616

約数和(自身を除く): 13488276291

約数列:

[1, 3, 5, 15, 25, 75, 191, 573, 955, 1087, 1303, 2865, 3261, 3909, 4775, 5435, 6515, 14325, 16305, 19545, 27175, 32575, 81525, 97725, 207617, 248873, 622851, 746619, 1038085, 1244365, 1416361, 3114255, 3733095, 4249083, 5190425, 6221825, 7081805, 15571275, 18665475, 21245415, 35409025, 106227075, 270524951, 811574853, 1352624755, 4057874265, 6763123775, 20289371325]

約数ペア:

[(1, 20289371325), (3, 6763123775), (5, 4057874265), (15, 1352624755), (25, 811574853), (75, 270524951), (191, 106227075), (573, 35409025), (955, 21245415), (1087, 18665475), (1303, 15571275), (2865, 7081805), (3261, 6221825), (3909, 5190425), (4775, 4249083), (5435, 3733095), (6515, 3114255), (14325, 1416361), (16305, 1244365), (19545, 1038085), (27175, 746619), (32575, 622851), (81525, 248873), (97725, 207617)]