20196900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{22441}}^1$

素因数の和:22461

約数の個数: 54

約数和(自身を含む): 63308882

約数和(自身を除く): 43111982

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 22441, 44882, 67323, 89764, 112205, 134646, 201969, 224410, 269292, 336615, 403938, 448820, 561025, 673230, 807876, 1009845, 1122050, 1346460, 1683075, 2019690, 2244100, 3366150, 4039380, 5049225, 6732300, 10098450, 20196900]

約数ペア:

[(1, 20196900), (2, 10098450), (3, 6732300), (4, 5049225), (5, 4039380), (6, 3366150), (9, 2244100), (10, 2019690), (12, 1683075), (15, 1346460), (18, 1122050), (20, 1009845), (25, 807876), (30, 673230), (36, 561025), (45, 448820), (50, 403938), (60, 336615), (75, 269292), (90, 224410), (100, 201969), (150, 134646), (180, 112205), (225, 89764), (300, 67323), (450, 44882), (900, 22441)]