20482300

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{857}}^1$

素因数の和:1110

約数の個数: 36

約数和(自身を含む): 44684640

約数和(自身を除く): 24202340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 857, 956, 1195, 1714, 2390, 3428, 4285, 4780, 5975, 8570, 11950, 17140, 21425, 23900, 42850, 85700, 204823, 409646, 819292, 1024115, 2048230, 4096460, 5120575, 10241150, 20482300]

約数ペア:

[(1, 20482300), (2, 10241150), (4, 5120575), (5, 4096460), (10, 2048230), (20, 1024115), (25, 819292), (50, 409646), (100, 204823), (239, 85700), (478, 42850), (857, 23900), (956, 21425), (1195, 17140), (1714, 11950), (2390, 8570), (3428, 5975), (4285, 4780)]