20386764

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3607}}^1$

素因数の和:3774

約数の個数: 36

約数和(自身を含む): 51875824

約数和(自身を除く): 31489060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3607, 5652, 7214, 10821, 14428, 21642, 32463, 43284, 64926, 129852, 566299, 1132598, 1698897, 2265196, 3397794, 5096691, 6795588, 10193382, 20386764]

約数ペア:

[(1, 20386764), (2, 10193382), (3, 6795588), (4, 5096691), (6, 3397794), (9, 2265196), (12, 1698897), (18, 1132598), (36, 566299), (157, 129852), (314, 64926), (471, 43284), (628, 32463), (942, 21642), (1413, 14428), (1884, 10821), (2826, 7214), (3607, 5652)]