20953070

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 38966400

約数和(自身を除く): 18013330

約数列:

[1, 2, 5, 10, 47, 94, 109, 218, 235, 409, 470, 545, 818, 1090, 2045, 4090, 5123, 10246, 19223, 25615, 38446, 44581, 51230, 89162, 96115, 192230, 222905, 445810, 2095307, 4190614, 10476535, 20953070]

約数ペア:

[(1, 20953070), (2, 10476535), (5, 4190614), (10, 2095307), (47, 445810), (94, 222905), (109, 192230), (218, 96115), (235, 89162), (409, 51230), (470, 44581), (545, 38446), (818, 25615), (1090, 19223), (2045, 10246), (4090, 5123)]