20081168

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15887}}^1$

素因数の和:15974

約数の個数: 20

約数和(自身を含む): 39402240

約数和(自身を除く): 19321072

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15887, 31774, 63548, 127096, 254192, 1255073, 2510146, 5020292, 10040584, 20081168]

約数ペア:

[(1, 20081168), (2, 10040584), (4, 5020292), (8, 2510146), (16, 1255073), (79, 254192), (158, 127096), (316, 63548), (632, 31774), (1264, 15887)]