20629756

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23767}}^1$

素因数の和:23809

約数の個数: 24

約数和(自身を含む): 42592256

約数和(自身を除く): 21962500

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23767, 47534, 95068, 166369, 332738, 665476, 736777, 1473554, 2947108, 5157439, 10314878, 20629756]

約数ペア:

[(1, 20629756), (2, 10314878), (4, 5157439), (7, 2947108), (14, 1473554), (28, 736777), (31, 665476), (62, 332738), (124, 166369), (217, 95068), (434, 47534), (868, 23767)]