20165493460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1049}}^1\times {\mathrm{2251}}^1$

素因数の和:3377

約数の個数: 96

約数和(自身を含む): 49259347200

約数和(自身を除く): 29093853740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1049, 1220, 1708, 2098, 2135, 2251, 4196, 4270, 4502, 5245, 7343, 8540, 9004, 10490, 11255, 14686, 15757, 20980, 22510, 29372, 31514, 36715, 45020, 63028, 63989, 73430, 78785, 127978, 137311, 146860, 157570, 255956, 274622, 315140, 319945, 447923, 549244, 639890, 686555, 895846, 961177, 1279780, 1373110, 1791692, 1922354, 2239615, 2361299, 2746220, 3844708, 4479230, 4722598, 4805885, 8958460, 9445196, 9611770, 11806495, 16529093, 19223540, 23612990, 33058186, 47225980, 66116372, 82645465, 144039239, 165290930, 288078478, 330581860, 576156956, 720196195, 1008274673, 1440392390, 2016549346, 2880784780, 4033098692, 5041373365, 10082746730, 20165493460]

約数ペア:

[(1, 20165493460), (2, 10082746730), (4, 5041373365), (5, 4033098692), (7, 2880784780), (10, 2016549346), (14, 1440392390), (20, 1008274673), (28, 720196195), (35, 576156956), (61, 330581860), (70, 288078478), (122, 165290930), (140, 144039239), (244, 82645465), (305, 66116372), (427, 47225980), (610, 33058186), (854, 23612990), (1049, 19223540), (1220, 16529093), (1708, 11806495), (2098, 9611770), (2135, 9445196), (2251, 8958460), (4196, 4805885), (4270, 4722598), (4502, 4479230), (5245, 3844708), (7343, 2746220), (8540, 2361299), (9004, 2239615), (10490, 1922354), (11255, 1791692), (14686, 1373110), (15757, 1279780), (20980, 961177), (22510, 895846), (29372, 686555), (31514, 639890), (36715, 549244), (45020, 447923), (63028, 319945), (63989, 315140), (73430, 274622), (78785, 255956), (127978, 157570), (137311, 146860)]