20000538

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^2\times {\mathrm{661}}^1$

素因数の和:751

約数の個数: 36

約数和(自身を含む): 44484414

約数和(自身を除く): 24483876

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 661, 738, 1322, 1681, 1983, 3362, 3966, 5043, 5949, 10086, 11898, 15129, 27101, 30258, 54202, 81303, 162606, 243909, 487818, 1111141, 2222282, 3333423, 6666846, 10000269, 20000538]

約数ペア:

[(1, 20000538), (2, 10000269), (3, 6666846), (6, 3333423), (9, 2222282), (18, 1111141), (41, 487818), (82, 243909), (123, 162606), (246, 81303), (369, 54202), (661, 30258), (738, 27101), (1322, 15129), (1681, 11898), (1983, 10086), (3362, 5949), (3966, 5043)]