20177385720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{37879}}^1$

素因数の和:38109

約数の個数: 128

約数和(自身を含む): 63492940800

約数和(自身を除く): 43315555080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 193, 230, 276, 345, 386, 460, 552, 579, 690, 772, 920, 965, 1158, 1380, 1544, 1930, 2316, 2760, 2895, 3860, 4439, 4632, 5790, 7720, 8878, 11580, 13317, 17756, 22195, 23160, 26634, 35512, 37879, 44390, 53268, 66585, 75758, 88780, 106536, 113637, 133170, 151516, 177560, 189395, 227274, 266340, 303032, 378790, 454548, 532680, 568185, 757580, 871217, 909096, 1136370, 1515160, 1742434, 2272740, 2613651, 3484868, 4356085, 4545480, 5227302, 6969736, 7310647, 8712170, 10454604, 13068255, 14621294, 17424340, 20909208, 21931941, 26136510, 29242588, 34848680, 36553235, 43863882, 52273020, 58485176, 73106470, 87727764, 104546040, 109659705, 146212940, 168144881, 175455528, 219319410, 292425880, 336289762, 438638820, 504434643, 672579524, 840724405, 877277640, 1008869286, 1345159048, 1681448810, 2017738572, 2522173215, 3362897620, 4035477144, 5044346430, 6725795240, 10088692860, 20177385720]

約数ペア:

[(1, 20177385720), (2, 10088692860), (3, 6725795240), (4, 5044346430), (5, 4035477144), (6, 3362897620), (8, 2522173215), (10, 2017738572), (12, 1681448810), (15, 1345159048), (20, 1008869286), (23, 877277640), (24, 840724405), (30, 672579524), (40, 504434643), (46, 438638820), (60, 336289762), (69, 292425880), (92, 219319410), (115, 175455528), (120, 168144881), (138, 146212940), (184, 109659705), (193, 104546040), (230, 87727764), (276, 73106470), (345, 58485176), (386, 52273020), (460, 43863882), (552, 36553235), (579, 34848680), (690, 29242588), (772, 26136510), (920, 21931941), (965, 20909208), (1158, 17424340), (1380, 14621294), (1544, 13068255), (1930, 10454604), (2316, 8712170), (2760, 7310647), (2895, 6969736), (3860, 5227302), (4439, 4545480), (4632, 4356085), (5790, 3484868), (7720, 2613651), (8878, 2272740), (11580, 1742434), (13317, 1515160), (17756, 1136370), (22195, 909096), (23160, 871217), (26634, 757580), (35512, 568185), (37879, 532680), (44390, 454548), (53268, 378790), (66585, 303032), (75758, 266340), (88780, 227274), (106536, 189395), (113637, 177560), (133170, 151516)]