20312864

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 49279104

約数和(自身を除く): 28966240

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 32, 44, 46, 52, 88, 92, 104, 143, 176, 184, 193, 208, 253, 286, 299, 352, 368, 386, 416, 506, 572, 598, 736, 772, 1012, 1144, 1196, 1544, 2024, 2123, 2288, 2392, 2509, 3088, 3289, 4048, 4246, 4439, 4576, 4784, 5018, 6176, 6578, 8096, 8492, 8878, 9568, 10036, 13156, 16984, 17756, 20072, 26312, 27599, 33968, 35512, 40144, 48829, 52624, 55198, 57707, 67936, 71024, 80288, 97658, 105248, 110396, 115414, 142048, 195316, 220792, 230828, 390632, 441584, 461656, 634777, 781264, 883168, 923312, 1269554, 1562528, 1846624, 2539108, 5078216, 10156432, 20312864]

約数ペア:

[(1, 20312864), (2, 10156432), (4, 5078216), (8, 2539108), (11, 1846624), (13, 1562528), (16, 1269554), (22, 923312), (23, 883168), (26, 781264), (32, 634777), (44, 461656), (46, 441584), (52, 390632), (88, 230828), (92, 220792), (104, 195316), (143, 142048), (176, 115414), (184, 110396), (193, 105248), (208, 97658), (253, 80288), (286, 71024), (299, 67936), (352, 57707), (368, 55198), (386, 52624), (416, 48829), (506, 40144), (572, 35512), (598, 33968), (736, 27599), (772, 26312), (1012, 20072), (1144, 17756), (1196, 16984), (1544, 13156), (2024, 10036), (2123, 9568), (2288, 8878), (2392, 8492), (2509, 8096), (3088, 6578), (3289, 6176), (4048, 5018), (4246, 4784), (4439, 4576)]