20944352

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 29858848

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 32, 44, 46, 52, 88, 92, 104, 143, 176, 184, 199, 208, 253, 286, 299, 352, 368, 398, 416, 506, 572, 598, 736, 796, 1012, 1144, 1196, 1592, 2024, 2189, 2288, 2392, 2587, 3184, 3289, 4048, 4378, 4576, 4577, 4784, 5174, 6368, 6578, 8096, 8756, 9154, 9568, 10348, 13156, 17512, 18308, 20696, 26312, 28457, 35024, 36616, 41392, 50347, 52624, 56914, 59501, 70048, 73232, 82784, 100694, 105248, 113828, 119002, 146464, 201388, 227656, 238004, 402776, 455312, 476008, 654511, 805552, 910624, 952016, 1309022, 1611104, 1904032, 2618044, 5236088, 10472176, 20944352]

約数ペア:

[(1, 20944352), (2, 10472176), (4, 5236088), (8, 2618044), (11, 1904032), (13, 1611104), (16, 1309022), (22, 952016), (23, 910624), (26, 805552), (32, 654511), (44, 476008), (46, 455312), (52, 402776), (88, 238004), (92, 227656), (104, 201388), (143, 146464), (176, 119002), (184, 113828), (199, 105248), (208, 100694), (253, 82784), (286, 73232), (299, 70048), (352, 59501), (368, 56914), (398, 52624), (416, 50347), (506, 41392), (572, 36616), (598, 35024), (736, 28457), (796, 26312), (1012, 20696), (1144, 18308), (1196, 17512), (1592, 13156), (2024, 10348), (2189, 9568), (2288, 9154), (2392, 8756), (2587, 8096), (3184, 6578), (3289, 6368), (4048, 5174), (4378, 4784), (4576, 4577)]