20799900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{191}}^1$

素因数の和:233

約数の個数: 162

約数和(自身を含む): 72037056

約数和(自身を除く): 51237156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 121, 132, 150, 165, 180, 191, 198, 220, 225, 242, 275, 300, 330, 363, 382, 396, 450, 484, 495, 550, 573, 605, 660, 726, 764, 825, 900, 955, 990, 1089, 1100, 1146, 1210, 1452, 1650, 1719, 1815, 1910, 1980, 2101, 2178, 2292, 2420, 2475, 2865, 3025, 3300, 3438, 3630, 3820, 4202, 4356, 4775, 4950, 5445, 5730, 6050, 6303, 6876, 7260, 8404, 8595, 9075, 9550, 9900, 10505, 10890, 11460, 12100, 12606, 14325, 17190, 18150, 18909, 19100, 21010, 21780, 23111, 25212, 27225, 28650, 31515, 34380, 36300, 37818, 42020, 42975, 46222, 52525, 54450, 57300, 63030, 69333, 75636, 85950, 92444, 94545, 105050, 108900, 115555, 126060, 138666, 157575, 171900, 189090, 207999, 210100, 231110, 277332, 315150, 346665, 378180, 415998, 462220, 472725, 577775, 630300, 693330, 831996, 945450, 1039995, 1155550, 1386660, 1733325, 1890900, 2079990, 2311100, 3466650, 4159980, 5199975, 6933300, 10399950, 20799900]

約数ペア:

[(1, 20799900), (2, 10399950), (3, 6933300), (4, 5199975), (5, 4159980), (6, 3466650), (9, 2311100), (10, 2079990), (11, 1890900), (12, 1733325), (15, 1386660), (18, 1155550), (20, 1039995), (22, 945450), (25, 831996), (30, 693330), (33, 630300), (36, 577775), (44, 472725), (45, 462220), (50, 415998), (55, 378180), (60, 346665), (66, 315150), (75, 277332), (90, 231110), (99, 210100), (100, 207999), (110, 189090), (121, 171900), (132, 157575), (150, 138666), (165, 126060), (180, 115555), (191, 108900), (198, 105050), (220, 94545), (225, 92444), (242, 85950), (275, 75636), (300, 69333), (330, 63030), (363, 57300), (382, 54450), (396, 52525), (450, 46222), (484, 42975), (495, 42020), (550, 37818), (573, 36300), (605, 34380), (660, 31515), (726, 28650), (764, 27225), (825, 25212), (900, 23111), (955, 21780), (990, 21010), (1089, 19100), (1100, 18909), (1146, 18150), (1210, 17190), (1452, 14325), (1650, 12606), (1719, 12100), (1815, 11460), (1910, 10890), (1980, 10505), (2101, 9900), (2178, 9550), (2292, 9075), (2420, 8595), (2475, 8404), (2865, 7260), (3025, 6876), (3300, 6303), (3438, 6050), (3630, 5730), (3820, 5445), (4202, 4950), (4356, 4775)]