20499850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1583}}^1$

素因数の和:1639

約数の個数: 48

約数和(自身を含む): 44782848

約数和(自身を除く): 24282998

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 50, 70, 74, 175, 185, 259, 350, 370, 518, 925, 1295, 1583, 1850, 2590, 3166, 6475, 7915, 11081, 12950, 15830, 22162, 39575, 55405, 58571, 79150, 110810, 117142, 277025, 292855, 409997, 554050, 585710, 819994, 1464275, 2049985, 2928550, 4099970, 10249925, 20499850]

約数ペア:

[(1, 20499850), (2, 10249925), (5, 4099970), (7, 2928550), (10, 2049985), (14, 1464275), (25, 819994), (35, 585710), (37, 554050), (50, 409997), (70, 292855), (74, 277025), (175, 117142), (185, 110810), (259, 79150), (350, 58571), (370, 55405), (518, 39575), (925, 22162), (1295, 15830), (1583, 12950), (1850, 11081), (2590, 7915), (3166, 6475)]