20200460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144289}}^1$

素因数の和:144305

約数の個数: 24

約数和(自身を含む): 48481440

約数和(自身を除く): 28280980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144289, 288578, 577156, 721445, 1010023, 1442890, 2020046, 2885780, 4040092, 5050115, 10100230, 20200460]

約数ペア:

[(1, 20200460), (2, 10100230), (4, 5050115), (5, 4040092), (7, 2885780), (10, 2020046), (14, 1442890), (20, 1010023), (28, 721445), (35, 577156), (70, 288578), (140, 144289)]