20289696

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 61649280

約数和(自身を除く): 41359584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 109, 112, 168, 218, 224, 277, 327, 336, 436, 554, 654, 672, 763, 831, 872, 1108, 1308, 1526, 1662, 1744, 1939, 2216, 2289, 2616, 3052, 3324, 3488, 3878, 4432, 4578, 5232, 5817, 6104, 6648, 7756, 8864, 9156, 10464, 11634, 12208, 13296, 15512, 18312, 23268, 24416, 26592, 30193, 31024, 36624, 46536, 60386, 62048, 73248, 90579, 93072, 120772, 181158, 186144, 211351, 241544, 362316, 422702, 483088, 634053, 724632, 845404, 966176, 1268106, 1449264, 1690808, 2536212, 2898528, 3381616, 5072424, 6763232, 10144848, 20289696]

約数ペア:

[(1, 20289696), (2, 10144848), (3, 6763232), (4, 5072424), (6, 3381616), (7, 2898528), (8, 2536212), (12, 1690808), (14, 1449264), (16, 1268106), (21, 966176), (24, 845404), (28, 724632), (32, 634053), (42, 483088), (48, 422702), (56, 362316), (84, 241544), (96, 211351), (109, 186144), (112, 181158), (168, 120772), (218, 93072), (224, 90579), (277, 73248), (327, 62048), (336, 60386), (436, 46536), (554, 36624), (654, 31024), (672, 30193), (763, 26592), (831, 24416), (872, 23268), (1108, 18312), (1308, 15512), (1526, 13296), (1662, 12208), (1744, 11634), (1939, 10464), (2216, 9156), (2289, 8864), (2616, 7756), (3052, 6648), (3324, 6104), (3488, 5817), (3878, 5232), (4432, 4578)]