20909810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1823}}^1$

素因数の和:1898

約数の個数: 32

約数和(自身を含む): 39923712

約数和(自身を除く): 19013902

約数列:

[1, 2, 5, 10, 31, 37, 62, 74, 155, 185, 310, 370, 1147, 1823, 2294, 3646, 5735, 9115, 11470, 18230, 56513, 67451, 113026, 134902, 282565, 337255, 565130, 674510, 2090981, 4181962, 10454905, 20909810]

約数ペア:

[(1, 20909810), (2, 10454905), (5, 4181962), (10, 2090981), (31, 674510), (37, 565130), (62, 337255), (74, 282565), (155, 134902), (185, 113026), (310, 67451), (370, 56513), (1147, 18230), (1823, 11470), (2294, 9115), (3646, 5735)]