20087728

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{3793}}^1$

素因数の和:4132

約数の個数: 20

約数和(自身を含む): 39047848

約数和(自身を除く): 18960120

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 3793, 5296, 7586, 15172, 30344, 60688, 1255483, 2510966, 5021932, 10043864, 20087728]

約数ペア:

[(1, 20087728), (2, 10043864), (4, 5021932), (8, 2510966), (16, 1255483), (331, 60688), (662, 30344), (1324, 15172), (2648, 7586), (3793, 5296)]