20036660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{857}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 28395724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 857, 1169, 1670, 1714, 2338, 3340, 3428, 4285, 4676, 5845, 5999, 8570, 11690, 11998, 17140, 23380, 23996, 29995, 59990, 119980, 143119, 286238, 572476, 715595, 1001833, 1431190, 2003666, 2862380, 4007332, 5009165, 10018330, 20036660]

約数ペア:

[(1, 20036660), (2, 10018330), (4, 5009165), (5, 4007332), (7, 2862380), (10, 2003666), (14, 1431190), (20, 1001833), (28, 715595), (35, 572476), (70, 286238), (140, 143119), (167, 119980), (334, 59990), (668, 29995), (835, 23996), (857, 23380), (1169, 17140), (1670, 11998), (1714, 11690), (2338, 8570), (3340, 5999), (3428, 5845), (4285, 4676)]