20964048

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1512

約数の個数: 80

約数和(自身を含む): 63376896

約数和(自身を除く): 42412848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1451, 1806, 2064, 2408, 2902, 3612, 4353, 4816, 5804, 7224, 8706, 10157, 11608, 14448, 17412, 20314, 23216, 30471, 34824, 40628, 60942, 62393, 69648, 81256, 121884, 124786, 162512, 187179, 243768, 249572, 374358, 436751, 487536, 499144, 748716, 873502, 998288, 1310253, 1497432, 1747004, 2620506, 2994864, 3494008, 5241012, 6988016, 10482024, 20964048]

約数ペア:

[(1, 20964048), (2, 10482024), (3, 6988016), (4, 5241012), (6, 3494008), (7, 2994864), (8, 2620506), (12, 1747004), (14, 1497432), (16, 1310253), (21, 998288), (24, 873502), (28, 748716), (42, 499144), (43, 487536), (48, 436751), (56, 374358), (84, 249572), (86, 243768), (112, 187179), (129, 162512), (168, 124786), (172, 121884), (258, 81256), (301, 69648), (336, 62393), (344, 60942), (516, 40628), (602, 34824), (688, 30471), (903, 23216), (1032, 20314), (1204, 17412), (1451, 14448), (1806, 11608), (2064, 10157), (2408, 8706), (2902, 7224), (3612, 5804), (4353, 4816)]