20899650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{277}}^1\times {\mathrm{503}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 52121664

約数和(自身を除く): 31222014

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 277, 503, 554, 831, 1006, 1385, 1509, 1662, 2515, 2770, 3018, 4155, 5030, 6925, 7545, 8310, 12575, 13850, 15090, 20775, 25150, 37725, 41550, 75450, 139331, 278662, 417993, 696655, 835986, 1393310, 2089965, 3483275, 4179930, 6966550, 10449825, 20899650]

約数ペア:

[(1, 20899650), (2, 10449825), (3, 6966550), (5, 4179930), (6, 3483275), (10, 2089965), (15, 1393310), (25, 835986), (30, 696655), (50, 417993), (75, 278662), (150, 139331), (277, 75450), (503, 41550), (554, 37725), (831, 25150), (1006, 20775), (1385, 15090), (1509, 13850), (1662, 12575), (2515, 8310), (2770, 7545), (3018, 6925), (4155, 5030)]