205014020

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{7867}}^1$

素因数の和:9179

約数の個数: 24

約数和(自身を含む): 430914624

約数和(自身を除く): 225900604

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2606, 5212, 6515, 7867, 13030, 15734, 26060, 31468, 39335, 78670, 157340, 10250701, 20501402, 41002804, 51253505, 102507010, 205014020]

約数ペア:

[(1, 205014020), (2, 102507010), (4, 51253505), (5, 41002804), (10, 20501402), (20, 10250701), (1303, 157340), (2606, 78670), (5212, 39335), (6515, 31468), (7867, 26060), (13030, 15734)]