20156194900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{98467}}^1$

素因数の和:98593

約数の個数: 72

約数和(自身を含む): 46153920960

約数和(自身を除く): 25997726060

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 89, 92, 100, 115, 178, 230, 356, 445, 460, 575, 890, 1150, 1780, 2047, 2225, 2300, 4094, 4450, 8188, 8900, 10235, 20470, 40940, 51175, 98467, 102350, 196934, 204700, 393868, 492335, 984670, 1969340, 2264741, 2461675, 4529482, 4923350, 8763563, 9058964, 9846700, 11323705, 17527126, 22647410, 35054252, 43817815, 45294820, 56618525, 87635630, 113237050, 175271260, 201561949, 219089075, 226474100, 403123898, 438178150, 806247796, 876356300, 1007809745, 2015619490, 4031238980, 5039048725, 10078097450, 20156194900]

約数ペア:

[(1, 20156194900), (2, 10078097450), (4, 5039048725), (5, 4031238980), (10, 2015619490), (20, 1007809745), (23, 876356300), (25, 806247796), (46, 438178150), (50, 403123898), (89, 226474100), (92, 219089075), (100, 201561949), (115, 175271260), (178, 113237050), (230, 87635630), (356, 56618525), (445, 45294820), (460, 43817815), (575, 35054252), (890, 22647410), (1150, 17527126), (1780, 11323705), (2047, 9846700), (2225, 9058964), (2300, 8763563), (4094, 4923350), (4450, 4529482), (8188, 2461675), (8900, 2264741), (10235, 1969340), (20470, 984670), (40940, 492335), (51175, 393868), (98467, 204700), (102350, 196934)]