20179305840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{617}}^1\times {\mathrm{136273}}^1$

素因数の和:136906

約数の個数: 80

約数和(自身を含む): 62657695008

約数和(自身を除く): 42478389168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 617, 1234, 1851, 2468, 3085, 3702, 4936, 6170, 7404, 9255, 9872, 12340, 14808, 18510, 24680, 29616, 37020, 49360, 74040, 136273, 148080, 272546, 408819, 545092, 681365, 817638, 1090184, 1362730, 1635276, 2044095, 2180368, 2725460, 3270552, 4088190, 5450920, 6541104, 8176380, 10901840, 16352760, 32705520, 84080441, 168160882, 252241323, 336321764, 420402205, 504482646, 672643528, 840804410, 1008965292, 1261206615, 1345287056, 1681608820, 2017930584, 2522413230, 3363217640, 4035861168, 5044826460, 6726435280, 10089652920, 20179305840]

約数ペア:

[(1, 20179305840), (2, 10089652920), (3, 6726435280), (4, 5044826460), (5, 4035861168), (6, 3363217640), (8, 2522413230), (10, 2017930584), (12, 1681608820), (15, 1345287056), (16, 1261206615), (20, 1008965292), (24, 840804410), (30, 672643528), (40, 504482646), (48, 420402205), (60, 336321764), (80, 252241323), (120, 168160882), (240, 84080441), (617, 32705520), (1234, 16352760), (1851, 10901840), (2468, 8176380), (3085, 6541104), (3702, 5450920), (4936, 4088190), (6170, 3270552), (7404, 2725460), (9255, 2180368), (9872, 2044095), (12340, 1635276), (14808, 1362730), (18510, 1090184), (24680, 817638), (29616, 681365), (37020, 545092), (49360, 408819), (74040, 272546), (136273, 148080)]