20364504

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 38733096

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 37, 38, 51, 57, 68, 71, 74, 76, 102, 111, 114, 136, 142, 148, 152, 204, 213, 222, 228, 284, 296, 323, 408, 426, 444, 456, 568, 629, 646, 703, 852, 888, 969, 1207, 1258, 1292, 1349, 1406, 1704, 1887, 1938, 2109, 2414, 2516, 2584, 2627, 2698, 2812, 3621, 3774, 3876, 4047, 4218, 4828, 5032, 5254, 5396, 5624, 7242, 7548, 7752, 7881, 8094, 8436, 9656, 10508, 10792, 11951, 14484, 15096, 15762, 16188, 16872, 21016, 22933, 23902, 28968, 31524, 32376, 35853, 44659, 45866, 47804, 49913, 63048, 68799, 71706, 89318, 91732, 95608, 99826, 133977, 137598, 143412, 149739, 178636, 183464, 199652, 267954, 275196, 286824, 299478, 357272, 399304, 535908, 550392, 598956, 848521, 1071816, 1197912, 1697042, 2545563, 3394084, 5091126, 6788168, 10182252, 20364504]

約数ペア:

[(1, 20364504), (2, 10182252), (3, 6788168), (4, 5091126), (6, 3394084), (8, 2545563), (12, 1697042), (17, 1197912), (19, 1071816), (24, 848521), (34, 598956), (37, 550392), (38, 535908), (51, 399304), (57, 357272), (68, 299478), (71, 286824), (74, 275196), (76, 267954), (102, 199652), (111, 183464), (114, 178636), (136, 149739), (142, 143412), (148, 137598), (152, 133977), (204, 99826), (213, 95608), (222, 91732), (228, 89318), (284, 71706), (296, 68799), (323, 63048), (408, 49913), (426, 47804), (444, 45866), (456, 44659), (568, 35853), (629, 32376), (646, 31524), (703, 28968), (852, 23902), (888, 22933), (969, 21016), (1207, 16872), (1258, 16188), (1292, 15762), (1349, 15096), (1406, 14484), (1704, 11951), (1887, 10792), (1938, 10508), (2109, 9656), (2414, 8436), (2516, 8094), (2584, 7881), (2627, 7752), (2698, 7548), (2812, 7242), (3621, 5624), (3774, 5396), (3876, 5254), (4047, 5032), (4218, 4828)]