20388872

素因数分解:

$2^3\times 7^1\times {\mathrm{577}}^1\times {\mathrm{631}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 43835520

約数和(自身を除く): 23446648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 577, 631, 1154, 1262, 2308, 2524, 4039, 4417, 4616, 5048, 8078, 8834, 16156, 17668, 32312, 35336, 364087, 728174, 1456348, 2548609, 2912696, 5097218, 10194436, 20388872]

約数ペア:

[(1, 20388872), (2, 10194436), (4, 5097218), (7, 2912696), (8, 2548609), (14, 1456348), (28, 728174), (56, 364087), (577, 35336), (631, 32312), (1154, 17668), (1262, 16156), (2308, 8834), (2524, 8078), (4039, 5048), (4417, 4616)]