20123595972

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:850

約数の個数: 144

約数和(自身を含む): 52787262528

約数和(自身を除く): 32663666556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 163, 172, 173, 258, 326, 346, 387, 461, 489, 516, 519, 652, 692, 774, 922, 978, 1038, 1383, 1467, 1548, 1557, 1844, 1956, 2076, 2766, 2934, 3114, 4149, 5532, 5868, 6228, 7009, 7439, 8298, 14018, 14878, 16596, 19823, 21027, 22317, 28036, 28199, 29756, 39646, 42054, 44634, 56398, 59469, 63081, 66951, 75143, 79292, 79753, 84108, 84597, 89268, 112796, 118938, 126162, 133902, 150286, 159506, 169194, 178407, 225429, 237876, 239259, 252324, 253791, 267804, 300572, 319012, 338388, 356814, 450858, 478518, 507582, 676287, 713628, 717777, 901716, 957036, 1015164, 1212557, 1352574, 1435554, 2425114, 2705148, 2871108, 3231149, 3429379, 3637671, 4850228, 6462298, 6858758, 7275342, 9693447, 10288137, 10913013, 12924596, 12999739, 13717516, 14550684, 19386894, 20576274, 21826026, 25999478, 29080341, 30864411, 38773788, 38999217, 41152548, 43652052, 51998956, 58160682, 61728822, 77998434, 116321364, 116997651, 123457644, 155996868, 233995302, 467990604, 558988777, 1117977554, 1676966331, 2235955108, 3353932662, 5030898993, 6707865324, 10061797986, 20123595972]

約数ペア:

[(1, 20123595972), (2, 10061797986), (3, 6707865324), (4, 5030898993), (6, 3353932662), (9, 2235955108), (12, 1676966331), (18, 1117977554), (36, 558988777), (43, 467990604), (86, 233995302), (129, 155996868), (163, 123457644), (172, 116997651), (173, 116321364), (258, 77998434), (326, 61728822), (346, 58160682), (387, 51998956), (461, 43652052), (489, 41152548), (516, 38999217), (519, 38773788), (652, 30864411), (692, 29080341), (774, 25999478), (922, 21826026), (978, 20576274), (1038, 19386894), (1383, 14550684), (1467, 13717516), (1548, 12999739), (1557, 12924596), (1844, 10913013), (1956, 10288137), (2076, 9693447), (2766, 7275342), (2934, 6858758), (3114, 6462298), (4149, 4850228), (5532, 3637671), (5868, 3429379), (6228, 3231149), (7009, 2871108), (7439, 2705148), (8298, 2425114), (14018, 1435554), (14878, 1352574), (16596, 1212557), (19823, 1015164), (21027, 957036), (22317, 901716), (28036, 717777), (28199, 713628), (29756, 676287), (39646, 507582), (42054, 478518), (44634, 450858), (56398, 356814), (59469, 338388), (63081, 319012), (66951, 300572), (75143, 267804), (79292, 253791), (79753, 252324), (84108, 239259), (84597, 237876), (89268, 225429), (112796, 178407), (118938, 169194), (126162, 159506), (133902, 150286)]