20060500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 44697744

約数和(自身を除く): 24637244

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 757, 1060, 1325, 1514, 2650, 3028, 3785, 5300, 6625, 7570, 13250, 15140, 18925, 26500, 37850, 40121, 75700, 80242, 94625, 160484, 189250, 200605, 378500, 401210, 802420, 1003025, 2006050, 4012100, 5015125, 10030250, 20060500]

約数ペア:

[(1, 20060500), (2, 10030250), (4, 5015125), (5, 4012100), (10, 2006050), (20, 1003025), (25, 802420), (50, 401210), (53, 378500), (100, 200605), (106, 189250), (125, 160484), (212, 94625), (250, 80242), (265, 75700), (500, 40121), (530, 37850), (757, 26500), (1060, 18925), (1325, 15140), (1514, 13250), (2650, 7570), (3028, 6625), (3785, 5300)]