20386161120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{20809}}^1$

素因数の和:20997

約数の個数: 192

約数和(自身を含む): 69599960640

約数和(自身を除く): 49213799520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 157, 160, 195, 208, 240, 260, 312, 314, 390, 416, 471, 480, 520, 624, 628, 780, 785, 942, 1040, 1248, 1256, 1560, 1570, 1884, 2041, 2080, 2355, 2512, 3120, 3140, 3768, 4082, 4710, 5024, 6123, 6240, 6280, 7536, 8164, 9420, 10205, 12246, 12560, 15072, 16328, 18840, 20410, 20809, 24492, 25120, 30615, 32656, 37680, 40820, 41618, 48984, 61230, 62427, 65312, 75360, 81640, 83236, 97968, 104045, 122460, 124854, 163280, 166472, 195936, 208090, 244920, 249708, 270517, 312135, 326560, 332944, 416180, 489840, 499416, 541034, 624270, 665888, 811551, 832360, 979680, 998832, 1082068, 1248540, 1352585, 1623102, 1664720, 1997664, 2164136, 2497080, 2705170, 3246204, 3267013, 3329440, 4057755, 4328272, 4994160, 5410340, 6492408, 6534026, 8115510, 8656544, 9801039, 9988320, 10820680, 12984816, 13068052, 16231020, 16335065, 19602078, 21641360, 25969632, 26136104, 32462040, 32670130, 39204156, 42471169, 43282720, 49005195, 52272208, 64924080, 65340260, 78408312, 84942338, 98010390, 104544416, 127413507, 129848160, 130680520, 156816624, 169884676, 196020780, 212355845, 254827014, 261361040, 313633248, 339769352, 392041560, 424711690, 509654028, 522722080, 637067535, 679538704, 784083120, 849423380, 1019308056, 1274135070, 1359077408, 1568166240, 1698846760, 2038616112, 2548270140, 3397693520, 4077232224, 5096540280, 6795387040, 10193080560, 20386161120]

約数ペア:

[(1, 20386161120), (2, 10193080560), (3, 6795387040), (4, 5096540280), (5, 4077232224), (6, 3397693520), (8, 2548270140), (10, 2038616112), (12, 1698846760), (13, 1568166240), (15, 1359077408), (16, 1274135070), (20, 1019308056), (24, 849423380), (26, 784083120), (30, 679538704), (32, 637067535), (39, 522722080), (40, 509654028), (48, 424711690), (52, 392041560), (60, 339769352), (65, 313633248), (78, 261361040), (80, 254827014), (96, 212355845), (104, 196020780), (120, 169884676), (130, 156816624), (156, 130680520), (157, 129848160), (160, 127413507), (195, 104544416), (208, 98010390), (240, 84942338), (260, 78408312), (312, 65340260), (314, 64924080), (390, 52272208), (416, 49005195), (471, 43282720), (480, 42471169), (520, 39204156), (624, 32670130), (628, 32462040), (780, 26136104), (785, 25969632), (942, 21641360), (1040, 19602078), (1248, 16335065), (1256, 16231020), (1560, 13068052), (1570, 12984816), (1884, 10820680), (2041, 9988320), (2080, 9801039), (2355, 8656544), (2512, 8115510), (3120, 6534026), (3140, 6492408), (3768, 5410340), (4082, 4994160), (4710, 4328272), (5024, 4057755), (6123, 3329440), (6240, 3267013), (6280, 3246204), (7536, 2705170), (8164, 2497080), (9420, 2164136), (10205, 1997664), (12246, 1664720), (12560, 1623102), (15072, 1352585), (16328, 1248540), (18840, 1082068), (20410, 998832), (20809, 979680), (24492, 832360), (25120, 811551), (30615, 665888), (32656, 624270), (37680, 541034), (40820, 499416), (41618, 489840), (48984, 416180), (61230, 332944), (62427, 326560), (65312, 312135), (75360, 270517), (81640, 249708), (83236, 244920), (97968, 208090), (104045, 195936), (122460, 166472), (124854, 163280)]