20945232

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1889}}^1$

素因数の和:1921

約数の個数: 120

約数和(自身を含む): 73120320

約数和(自身を除く): 52175088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 56, 63, 66, 72, 77, 84, 88, 99, 112, 126, 132, 144, 154, 168, 176, 198, 231, 252, 264, 308, 336, 396, 462, 504, 528, 616, 693, 792, 924, 1008, 1232, 1386, 1584, 1848, 1889, 2772, 3696, 3778, 5544, 5667, 7556, 11088, 11334, 13223, 15112, 17001, 20779, 22668, 26446, 30224, 34002, 39669, 41558, 45336, 52892, 62337, 68004, 79338, 83116, 90672, 105784, 119007, 124674, 136008, 145453, 158676, 166232, 187011, 211568, 238014, 249348, 272016, 290906, 317352, 332464, 374022, 436359, 476028, 498696, 581812, 634704, 748044, 872718, 952056, 997392, 1163624, 1309077, 1496088, 1745436, 1904112, 2327248, 2618154, 2992176, 3490872, 5236308, 6981744, 10472616, 20945232]

約数ペア:

[(1, 20945232), (2, 10472616), (3, 6981744), (4, 5236308), (6, 3490872), (7, 2992176), (8, 2618154), (9, 2327248), (11, 1904112), (12, 1745436), (14, 1496088), (16, 1309077), (18, 1163624), (21, 997392), (22, 952056), (24, 872718), (28, 748044), (33, 634704), (36, 581812), (42, 498696), (44, 476028), (48, 436359), (56, 374022), (63, 332464), (66, 317352), (72, 290906), (77, 272016), (84, 249348), (88, 238014), (99, 211568), (112, 187011), (126, 166232), (132, 158676), (144, 145453), (154, 136008), (168, 124674), (176, 119007), (198, 105784), (231, 90672), (252, 83116), (264, 79338), (308, 68004), (336, 62337), (396, 52892), (462, 45336), (504, 41558), (528, 39669), (616, 34002), (693, 30224), (792, 26446), (924, 22668), (1008, 20779), (1232, 17001), (1386, 15112), (1584, 13223), (1848, 11334), (1889, 11088), (2772, 7556), (3696, 5667), (3778, 5544)]