20876762

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{811}}^1$

素因数の和:1085

約数の個数: 16

約数和(自身を含む): 32018784

約数和(自身を除く): 11142022

約数列:

[1, 2, 61, 122, 211, 422, 811, 1622, 12871, 25742, 49471, 98942, 171121, 342242, 10438381, 20876762]

約数ペア:

[(1, 20876762), (2, 10438381), (61, 342242), (122, 171121), (211, 98942), (422, 49471), (811, 25742), (1622, 12871)]