20120454

素因数分解:

$2^1\times 3^3\times {\mathrm{239}}^1\times {\mathrm{1559}}^1$

素因数の和:1809

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 24807546

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 239, 478, 717, 1434, 1559, 2151, 3118, 4302, 4677, 6453, 9354, 12906, 14031, 28062, 42093, 84186, 372601, 745202, 1117803, 2235606, 3353409, 6706818, 10060227, 20120454]

約数ペア:

[(1, 20120454), (2, 10060227), (3, 6706818), (6, 3353409), (9, 2235606), (18, 1117803), (27, 745202), (54, 372601), (239, 84186), (478, 42093), (717, 28062), (1434, 14031), (1559, 12906), (2151, 9354), (3118, 6453), (4302, 4677)]