2029220

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 4289208

約数和(自身を除く): 2259988

約数列:

[1, 2, 4, 5, 10, 20, 241, 421, 482, 842, 964, 1205, 1684, 2105, 2410, 4210, 4820, 8420, 101461, 202922, 405844, 507305, 1014610, 2029220]

約数ペア:

[(1, 2029220), (2, 1014610), (4, 507305), (5, 405844), (10, 202922), (20, 101461), (241, 8420), (421, 4820), (482, 4210), (842, 2410), (964, 2105), (1205, 1684)]