20178373140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{563327}}^1$

素因数の和:563541

約数の個数: 72

約数和(自身を含む): 61515417600

約数和(自身を除く): 41337044460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5970, 7164, 8955, 11940, 17910, 35820, 563327, 1126654, 1689981, 2253308, 2816635, 3379962, 5069943, 5633270, 6759924, 8449905, 10139886, 11266540, 16899810, 20279772, 25349715, 33799620, 50699430, 101398860, 112102073, 224204146, 336306219, 448408292, 560510365, 672612438, 1008918657, 1121020730, 1345224876, 1681531095, 2017837314, 2242041460, 3363062190, 4035674628, 5044593285, 6726124380, 10089186570, 20178373140]

約数ペア:

[(1, 20178373140), (2, 10089186570), (3, 6726124380), (4, 5044593285), (5, 4035674628), (6, 3363062190), (9, 2242041460), (10, 2017837314), (12, 1681531095), (15, 1345224876), (18, 1121020730), (20, 1008918657), (30, 672612438), (36, 560510365), (45, 448408292), (60, 336306219), (90, 224204146), (180, 112102073), (199, 101398860), (398, 50699430), (597, 33799620), (796, 25349715), (995, 20279772), (1194, 16899810), (1791, 11266540), (1990, 10139886), (2388, 8449905), (2985, 6759924), (3582, 5633270), (3980, 5069943), (5970, 3379962), (7164, 2816635), (8955, 2253308), (11940, 1689981), (17910, 1126654), (35820, 563327)]