20210964487

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{461891}}^1$

素因数の和:461971

約数の個数: 24

約数和(自身を含む): 25274730240

約数和(自身を除く): 5063765753

約数列:

[1, 7, 19, 47, 49, 133, 329, 893, 931, 2303, 6251, 43757, 461891, 3233237, 8775929, 21708877, 22632659, 61431503, 151962139, 412468663, 430020521, 1063734973, 2887280641, 20210964487]

約数ペア:

[(1, 20210964487), (7, 2887280641), (19, 1063734973), (47, 430020521), (49, 412468663), (133, 151962139), (329, 61431503), (893, 22632659), (931, 21708877), (2303, 8775929), (6251, 3233237), (43757, 461891)]