2019668540

素因数分解:

$2^2\times 5^1\times {\mathrm{100983427}}^1$

素因数の和:100983436

約数の個数: 12

約数和(自身を含む): 4241303976

約数和(自身を除く): 2221635436

約数列:

[1, 2, 4, 5, 10, 20, 100983427, 201966854, 403933708, 504917135, 1009834270, 2019668540]

約数ペア:

[(1, 2019668540), (2, 1009834270), (4, 504917135), (5, 403933708), (10, 201966854), (20, 100983427)]