20291070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{4937}}^1$

素因数の和:5084

約数の個数: 32

約数和(自身を含む): 49063968

約数和(自身を除く): 28772898

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 4937, 9874, 14811, 24685, 29622, 49370, 74055, 148110, 676369, 1352738, 2029107, 3381845, 4058214, 6763690, 10145535, 20291070]

約数ペア:

[(1, 20291070), (2, 10145535), (3, 6763690), (5, 4058214), (6, 3381845), (10, 2029107), (15, 1352738), (30, 676369), (137, 148110), (274, 74055), (411, 49370), (685, 29622), (822, 24685), (1370, 14811), (2055, 9874), (4110, 4937)]