20333560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39103}}^1$

素因数の和:39127

約数の個数: 32

約数和(自身を含む): 49271040

約数和(自身を除く): 28937480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 39103, 78206, 156412, 195515, 312824, 391030, 508339, 782060, 1016678, 1564120, 2033356, 2541695, 4066712, 5083390, 10166780, 20333560]

約数ペア:

[(1, 20333560), (2, 10166780), (4, 5083390), (5, 4066712), (8, 2541695), (10, 2033356), (13, 1564120), (20, 1016678), (26, 782060), (40, 508339), (52, 391030), (65, 312824), (104, 195515), (130, 156412), (260, 78206), (520, 39103)]