20940504

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1637}}^1$

素因数の和:1700

約数の個数: 64

約数和(自身を含む): 57788640

約数和(自身を除く): 36848136

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, 1637, 2132, 3198, 3274, 4264, 4911, 6396, 6548, 9822, 12792, 13096, 19644, 21281, 39288, 42562, 63843, 67117, 85124, 127686, 134234, 170248, 201351, 255372, 268468, 402702, 510744, 536936, 805404, 872521, 1610808, 1745042, 2617563, 3490084, 5235126, 6980168, 10470252, 20940504]

約数ペア:

[(1, 20940504), (2, 10470252), (3, 6980168), (4, 5235126), (6, 3490084), (8, 2617563), (12, 1745042), (13, 1610808), (24, 872521), (26, 805404), (39, 536936), (41, 510744), (52, 402702), (78, 268468), (82, 255372), (104, 201351), (123, 170248), (156, 134234), (164, 127686), (246, 85124), (312, 67117), (328, 63843), (492, 42562), (533, 39288), (984, 21281), (1066, 19644), (1599, 13096), (1637, 12792), (2132, 9822), (3198, 6548), (3274, 6396), (4264, 4911)]