201994460

素因数分解:

$2^2\times 5^1\times {\mathrm{2153}}^1\times {\mathrm{4691}}^1$

素因数の和:6853

約数の個数: 24

約数和(自身を含む): 424475856

約数和(自身を除く): 222481396

約数列:

[1, 2, 4, 5, 10, 20, 2153, 4306, 4691, 8612, 9382, 10765, 18764, 21530, 23455, 43060, 46910, 93820, 10099723, 20199446, 40398892, 50498615, 100997230, 201994460]

約数ペア:

[(1, 201994460), (2, 100997230), (4, 50498615), (5, 40398892), (10, 20199446), (20, 10099723), (2153, 93820), (4306, 46910), (4691, 43060), (8612, 23455), (9382, 21530), (10765, 18764)]