20867742

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{165617}}^1$

素因数の和:165632

約数の個数: 24

約数和(自身を含む): 51672816

約数和(自身を除く): 30805074

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 165617, 331234, 496851, 993702, 1159319, 1490553, 2318638, 2981106, 3477957, 6955914, 10433871, 20867742]

約数ペア:

[(1, 20867742), (2, 10433871), (3, 6955914), (6, 3477957), (7, 2981106), (9, 2318638), (14, 1490553), (18, 1159319), (21, 993702), (42, 496851), (63, 331234), (126, 165617)]