20674600

素因数分解:

$2^3\times 5^2\times {\mathrm{167}}^1\times {\mathrm{619}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 48434400

約数和(自身を除く): 27759800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 167, 200, 334, 619, 668, 835, 1238, 1336, 1670, 2476, 3095, 3340, 4175, 4952, 6190, 6680, 8350, 12380, 15475, 16700, 24760, 30950, 33400, 61900, 103373, 123800, 206746, 413492, 516865, 826984, 1033730, 2067460, 2584325, 4134920, 5168650, 10337300, 20674600]

約数ペア:

[(1, 20674600), (2, 10337300), (4, 5168650), (5, 4134920), (8, 2584325), (10, 2067460), (20, 1033730), (25, 826984), (40, 516865), (50, 413492), (100, 206746), (167, 123800), (200, 103373), (334, 61900), (619, 33400), (668, 30950), (835, 24760), (1238, 16700), (1336, 15475), (1670, 12380), (2476, 8350), (3095, 6680), (3340, 6190), (4175, 4952)]