20155220

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2659}}^1$

素因数の和:3047

約数の個数: 24

約数和(自身を含む): 42453600

約数和(自身を除く): 22298380

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 2659, 3790, 5318, 7580, 10636, 13295, 26590, 53180, 1007761, 2015522, 4031044, 5038805, 10077610, 20155220]

約数ペア:

[(1, 20155220), (2, 10077610), (4, 5038805), (5, 4031044), (10, 2015522), (20, 1007761), (379, 53180), (758, 26590), (1516, 13295), (1895, 10636), (2659, 7580), (3790, 5318)]