20711012

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8311}}^1$

素因数の和:8411

約数の個数: 24

約数和(自身を含む): 41892480

約数和(自身を除く): 21181468

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8311, 16622, 33244, 58177, 116354, 232708, 739679, 1479358, 2958716, 5177753, 10355506, 20711012]

約数ペア:

[(1, 20711012), (2, 10355506), (4, 5177753), (7, 2958716), (14, 1479358), (28, 739679), (89, 232708), (178, 116354), (356, 58177), (623, 33244), (1246, 16622), (2492, 8311)]