20530150

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3767}}^1$

素因数の和:3888

約数の個数: 24

約数和(自身を含む): 38546640

約数和(自身を除く): 18016490

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 3767, 5450, 7534, 18835, 37670, 94175, 188350, 410603, 821206, 2053015, 4106030, 10265075, 20530150]

約数ペア:

[(1, 20530150), (2, 10265075), (5, 4106030), (10, 2053015), (25, 821206), (50, 410603), (109, 188350), (218, 94175), (545, 37670), (1090, 18835), (2725, 7534), (3767, 5450)]