20656296

素因数分解:

$2^3\times 3^4\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 58544640

約数和(自身を除く): 37888344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 127, 162, 216, 251, 254, 324, 381, 502, 508, 648, 753, 762, 1004, 1016, 1143, 1506, 1524, 2008, 2259, 2286, 3012, 3048, 3429, 4518, 4572, 6024, 6777, 6858, 9036, 9144, 10287, 13554, 13716, 18072, 20331, 20574, 27108, 27432, 31877, 40662, 41148, 54216, 63754, 81324, 82296, 95631, 127508, 162648, 191262, 255016, 286893, 382524, 573786, 765048, 860679, 1147572, 1721358, 2295144, 2582037, 3442716, 5164074, 6885432, 10328148, 20656296]

約数ペア:

[(1, 20656296), (2, 10328148), (3, 6885432), (4, 5164074), (6, 3442716), (8, 2582037), (9, 2295144), (12, 1721358), (18, 1147572), (24, 860679), (27, 765048), (36, 573786), (54, 382524), (72, 286893), (81, 255016), (108, 191262), (127, 162648), (162, 127508), (216, 95631), (251, 82296), (254, 81324), (324, 63754), (381, 54216), (502, 41148), (508, 40662), (648, 31877), (753, 27432), (762, 27108), (1004, 20574), (1016, 20331), (1143, 18072), (1506, 13716), (1524, 13554), (2008, 10287), (2259, 9144), (2286, 9036), (3012, 6858), (3048, 6777), (3429, 6024), (4518, 4572)]