20696592

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2036

約数の個数: 80

約数和(自身を含む): 63107072

約数和(自身を除く): 42410480

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 1987, 2604, 3472, 3974, 5208, 5961, 7948, 10416, 11922, 13909, 15896, 23844, 27818, 31792, 41727, 47688, 55636, 61597, 83454, 95376, 111272, 123194, 166908, 184791, 222544, 246388, 333816, 369582, 431179, 492776, 667632, 739164, 862358, 985552, 1293537, 1478328, 1724716, 2587074, 2956656, 3449432, 5174148, 6898864, 10348296, 20696592]

約数ペア:

[(1, 20696592), (2, 10348296), (3, 6898864), (4, 5174148), (6, 3449432), (7, 2956656), (8, 2587074), (12, 1724716), (14, 1478328), (16, 1293537), (21, 985552), (24, 862358), (28, 739164), (31, 667632), (42, 492776), (48, 431179), (56, 369582), (62, 333816), (84, 246388), (93, 222544), (112, 184791), (124, 166908), (168, 123194), (186, 111272), (217, 95376), (248, 83454), (336, 61597), (372, 55636), (434, 47688), (496, 41727), (651, 31792), (744, 27818), (868, 23844), (1302, 15896), (1488, 13909), (1736, 11922), (1987, 10416), (2604, 7948), (3472, 5961), (3974, 5208)]