20439554486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{15473}}^1$

素因数の和:15605

約数の個数: 48

約数和(自身を含む): 35204216544

約数和(自身を除く): 14764662058

約数列:

[1, 2, 13, 23, 26, 46, 47, 94, 299, 598, 611, 1081, 1222, 2162, 2209, 4418, 14053, 15473, 28106, 28717, 30946, 50807, 57434, 101614, 201149, 355879, 402298, 660491, 711758, 727231, 1320982, 1454462, 4626427, 9252854, 9454003, 16726313, 18908006, 33452626, 34179857, 68359714, 217442069, 434884138, 444338141, 786136711, 888676282, 1572273422, 10219777243, 20439554486]

約数ペア:

[(1, 20439554486), (2, 10219777243), (13, 1572273422), (23, 888676282), (26, 786136711), (46, 444338141), (47, 434884138), (94, 217442069), (299, 68359714), (598, 34179857), (611, 33452626), (1081, 18908006), (1222, 16726313), (2162, 9454003), (2209, 9252854), (4418, 4626427), (14053, 1454462), (15473, 1320982), (28106, 727231), (28717, 711758), (30946, 660491), (50807, 402298), (57434, 355879), (101614, 201149)]