20967232

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 112

約数和(自身を含む): 51206400

約数和(自身を除く): 30239168

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 32, 44, 52, 58, 64, 79, 88, 104, 116, 143, 158, 176, 208, 232, 286, 316, 319, 352, 377, 416, 464, 572, 632, 638, 704, 754, 832, 869, 928, 1027, 1144, 1264, 1276, 1508, 1738, 1856, 2054, 2288, 2291, 2528, 2552, 3016, 3476, 4108, 4147, 4576, 4582, 5056, 5104, 6032, 6952, 8216, 8294, 9152, 9164, 10208, 11297, 12064, 13904, 16432, 16588, 18328, 20416, 22594, 24128, 25201, 27808, 29783, 32864, 33176, 36656, 45188, 50402, 55616, 59566, 65728, 66352, 73312, 90376, 100804, 119132, 132704, 146624, 180752, 201608, 238264, 265408, 327613, 361504, 403216, 476528, 655226, 723008, 806432, 953056, 1310452, 1612864, 1906112, 2620904, 5241808, 10483616, 20967232]

約数ペア:

[(1, 20967232), (2, 10483616), (4, 5241808), (8, 2620904), (11, 1906112), (13, 1612864), (16, 1310452), (22, 953056), (26, 806432), (29, 723008), (32, 655226), (44, 476528), (52, 403216), (58, 361504), (64, 327613), (79, 265408), (88, 238264), (104, 201608), (116, 180752), (143, 146624), (158, 132704), (176, 119132), (208, 100804), (232, 90376), (286, 73312), (316, 66352), (319, 65728), (352, 59566), (377, 55616), (416, 50402), (464, 45188), (572, 36656), (632, 33176), (638, 32864), (704, 29783), (754, 27808), (832, 25201), (869, 24128), (928, 22594), (1027, 20416), (1144, 18328), (1264, 16588), (1276, 16432), (1508, 13904), (1738, 12064), (1856, 11297), (2054, 10208), (2288, 9164), (2291, 9152), (2528, 8294), (2552, 8216), (3016, 6952), (3476, 6032), (4108, 5104), (4147, 5056), (4576, 4582)]