20136469580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1\times {\mathrm{673}}^1$

素因数の和:1443

約数の個数: 96

約数和(自身を含む): 44432236800

約数和(自身を除く): 24295767220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 653, 673, 790, 1306, 1346, 1580, 2291, 2612, 2692, 3265, 3365, 4582, 6530, 6730, 9164, 11455, 13060, 13460, 18937, 19517, 22910, 37874, 39034, 45820, 51587, 53167, 75748, 78068, 94685, 97585, 103174, 106334, 189370, 195170, 206348, 212668, 257935, 265835, 378740, 390340, 439469, 515870, 531670, 878938, 1031740, 1063340, 1496023, 1541843, 1757876, 2197345, 2992046, 3083686, 4394690, 5984092, 6167372, 7480115, 7709215, 8789380, 12744601, 14960230, 15418430, 25489202, 29920460, 30836860, 34718051, 50978404, 63723005, 69436102, 127446010, 138872204, 173590255, 254892020, 347180510, 694361020, 1006823479, 2013646958, 4027293916, 5034117395, 10068234790, 20136469580]

約数ペア:

[(1, 20136469580), (2, 10068234790), (4, 5034117395), (5, 4027293916), (10, 2013646958), (20, 1006823479), (29, 694361020), (58, 347180510), (79, 254892020), (116, 173590255), (145, 138872204), (158, 127446010), (290, 69436102), (316, 63723005), (395, 50978404), (580, 34718051), (653, 30836860), (673, 29920460), (790, 25489202), (1306, 15418430), (1346, 14960230), (1580, 12744601), (2291, 8789380), (2612, 7709215), (2692, 7480115), (3265, 6167372), (3365, 5984092), (4582, 4394690), (6530, 3083686), (6730, 2992046), (9164, 2197345), (11455, 1757876), (13060, 1541843), (13460, 1496023), (18937, 1063340), (19517, 1031740), (22910, 878938), (37874, 531670), (39034, 515870), (45820, 439469), (51587, 390340), (53167, 378740), (75748, 265835), (78068, 257935), (94685, 212668), (97585, 206348), (103174, 195170), (106334, 189370)]