20808522225

素因数分解:

$3^2\times 5^2\times {\mathrm{563}}^1\times {\mathrm{164267}}^1$

素因数の和:164846

約数の個数: 36

約数和(自身を含む): 37336802256

約数和(自身を除く): 16528280031

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 563, 1689, 2815, 5067, 8445, 14075, 25335, 42225, 126675, 164267, 492801, 821335, 1478403, 2464005, 4106675, 7392015, 12320025, 36960075, 92482321, 277446963, 462411605, 832340889, 1387234815, 2312058025, 4161704445, 6936174075, 20808522225]

約数ペア:

[(1, 20808522225), (3, 6936174075), (5, 4161704445), (9, 2312058025), (15, 1387234815), (25, 832340889), (45, 462411605), (75, 277446963), (225, 92482321), (563, 36960075), (1689, 12320025), (2815, 7392015), (5067, 4106675), (8445, 2464005), (14075, 1478403), (25335, 821335), (42225, 492801), (126675, 164267)]