20710248

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1682

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 36443352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 52, 78, 82, 104, 123, 156, 164, 246, 312, 328, 492, 533, 984, 1066, 1599, 1619, 2132, 3198, 3238, 4264, 4857, 6396, 6476, 9714, 12792, 12952, 19428, 21047, 38856, 42094, 63141, 66379, 84188, 126282, 132758, 168376, 199137, 252564, 265516, 398274, 505128, 531032, 796548, 862927, 1593096, 1725854, 2588781, 3451708, 5177562, 6903416, 10355124, 20710248]

約数ペア:

[(1, 20710248), (2, 10355124), (3, 6903416), (4, 5177562), (6, 3451708), (8, 2588781), (12, 1725854), (13, 1593096), (24, 862927), (26, 796548), (39, 531032), (41, 505128), (52, 398274), (78, 265516), (82, 252564), (104, 199137), (123, 168376), (156, 132758), (164, 126282), (246, 84188), (312, 66379), (328, 63141), (492, 42094), (533, 38856), (984, 21047), (1066, 19428), (1599, 12952), (1619, 12792), (2132, 9714), (3198, 6476), (3238, 6396), (4264, 4857)]