20080776688

素因数分解:

$2^4\times 7^1\times {\mathrm{2371}}^1\times {\mathrm{75619}}^1$

素因数の和:78005

約数の個数: 40

約数和(自身を含む): 44483918720

約数和(自身を除く): 24403142032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2371, 4742, 9484, 16597, 18968, 33194, 37936, 66388, 75619, 132776, 151238, 265552, 302476, 529333, 604952, 1058666, 1209904, 2117332, 4234664, 8469328, 179292649, 358585298, 717170596, 1255048543, 1434341192, 2510097086, 2868682384, 5020194172, 10040388344, 20080776688]

約数ペア:

[(1, 20080776688), (2, 10040388344), (4, 5020194172), (7, 2868682384), (8, 2510097086), (14, 1434341192), (16, 1255048543), (28, 717170596), (56, 358585298), (112, 179292649), (2371, 8469328), (4742, 4234664), (9484, 2117332), (16597, 1209904), (18968, 1058666), (33194, 604952), (37936, 529333), (66388, 302476), (75619, 265552), (132776, 151238)]