20423330

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 38087280

約数和(自身を除く): 17663950

約数列:

[1, 2, 5, 10, 41, 82, 109, 205, 218, 410, 457, 545, 914, 1090, 2285, 4469, 4570, 8938, 18737, 22345, 37474, 44690, 49813, 93685, 99626, 187370, 249065, 498130, 2042333, 4084666, 10211665, 20423330]

約数ペア:

[(1, 20423330), (2, 10211665), (5, 4084666), (10, 2042333), (41, 498130), (82, 249065), (109, 187370), (205, 99626), (218, 93685), (410, 49813), (457, 44690), (545, 37474), (914, 22345), (1090, 18737), (2285, 8938), (4469, 4570)]