20527831905

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{1787}}^1\times {\mathrm{15629}}^1$

素因数の和:17438

約数の個数: 48

約数和(自身を含む): 38230729920

約数和(自身を除く): 17702898015

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 1787, 5361, 8935, 12509, 15629, 26805, 37527, 46887, 62545, 78145, 87563, 109403, 187635, 234435, 262689, 328209, 437815, 547015, 765821, 1313445, 1641045, 2297463, 3829105, 11487315, 27929023, 83787069, 139645115, 195503161, 418935345, 586509483, 977515805, 1368522127, 2932547415, 4105566381, 6842610635, 20527831905]

約数ペア:

[(1, 20527831905), (3, 6842610635), (5, 4105566381), (7, 2932547415), (15, 1368522127), (21, 977515805), (35, 586509483), (49, 418935345), (105, 195503161), (147, 139645115), (245, 83787069), (735, 27929023), (1787, 11487315), (5361, 3829105), (8935, 2297463), (12509, 1641045), (15629, 1313445), (26805, 765821), (37527, 547015), (46887, 437815), (62545, 328209), (78145, 262689), (87563, 234435), (109403, 187635)]