20897220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{348287}}^1$

素因数の和:348299

約数の個数: 24

約数和(自身を含む): 58512384

約数和(自身を除く): 37615164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 348287, 696574, 1044861, 1393148, 1741435, 2089722, 3482870, 4179444, 5224305, 6965740, 10448610, 20897220]

約数ペア:

[(1, 20897220), (2, 10448610), (3, 6965740), (4, 5224305), (5, 4179444), (6, 3482870), (10, 2089722), (12, 1741435), (15, 1393148), (20, 1044861), (30, 696574), (60, 348287)]