20643624

素因数分解:

$2^3\times 3^2\times {\mathrm{163}}^1\times {\mathrm{1759}}^1$

素因数の和:1934

約数の個数: 48

約数和(自身を含む): 56284800

約数和(自身を除く): 35641176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 163, 326, 489, 652, 978, 1304, 1467, 1759, 1956, 2934, 3518, 3912, 5277, 5868, 7036, 10554, 11736, 14072, 15831, 21108, 31662, 42216, 63324, 126648, 286717, 573434, 860151, 1146868, 1720302, 2293736, 2580453, 3440604, 5160906, 6881208, 10321812, 20643624]

約数ペア:

[(1, 20643624), (2, 10321812), (3, 6881208), (4, 5160906), (6, 3440604), (8, 2580453), (9, 2293736), (12, 1720302), (18, 1146868), (24, 860151), (36, 573434), (72, 286717), (163, 126648), (326, 63324), (489, 42216), (652, 31662), (978, 21108), (1304, 15831), (1467, 14072), (1759, 11736), (1956, 10554), (2934, 7036), (3518, 5868), (3912, 5277)]