20147490900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{520607}}^1$

素因数の和:520670

約数の個数: 108

約数和(自身を含む): 64619947392

約数和(自身を除く): 44472456492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 43, 45, 50, 60, 75, 86, 90, 100, 129, 150, 172, 180, 215, 225, 258, 300, 387, 430, 450, 516, 645, 774, 860, 900, 1075, 1290, 1548, 1935, 2150, 2580, 3225, 3870, 4300, 6450, 7740, 9675, 12900, 19350, 38700, 520607, 1041214, 1561821, 2082428, 2603035, 3123642, 4685463, 5206070, 6247284, 7809105, 9370926, 10412140, 13015175, 15618210, 18741852, 22386101, 23427315, 26030350, 31236420, 39045525, 44772202, 46854630, 52060700, 67158303, 78091050, 89544404, 93709260, 111930505, 117136575, 134316606, 156182100, 201474909, 223861010, 234273150, 268633212, 335791515, 402949818, 447722020, 468546300, 559652525, 671583030, 805899636, 1007374545, 1119305050, 1343166060, 1678957575, 2014749090, 2238610100, 3357915150, 4029498180, 5036872725, 6715830300, 10073745450, 20147490900]

約数ペア:

[(1, 20147490900), (2, 10073745450), (3, 6715830300), (4, 5036872725), (5, 4029498180), (6, 3357915150), (9, 2238610100), (10, 2014749090), (12, 1678957575), (15, 1343166060), (18, 1119305050), (20, 1007374545), (25, 805899636), (30, 671583030), (36, 559652525), (43, 468546300), (45, 447722020), (50, 402949818), (60, 335791515), (75, 268633212), (86, 234273150), (90, 223861010), (100, 201474909), (129, 156182100), (150, 134316606), (172, 117136575), (180, 111930505), (215, 93709260), (225, 89544404), (258, 78091050), (300, 67158303), (387, 52060700), (430, 46854630), (450, 44772202), (516, 39045525), (645, 31236420), (774, 26030350), (860, 23427315), (900, 22386101), (1075, 18741852), (1290, 15618210), (1548, 13015175), (1935, 10412140), (2150, 9370926), (2580, 7809105), (3225, 6247284), (3870, 5206070), (4300, 4685463), (6450, 3123642), (7740, 2603035), (9675, 2082428), (12900, 1561821), (19350, 1041214), (38700, 520607)]