20001782715

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1\times {\mathrm{61543}}^1$

素因数の和:62059

約数の個数: 32

約数和(自身を含む): 32755193856

約数和(自身を除く): 12753411141

約数列:

[1, 3, 5, 15, 47, 141, 235, 461, 705, 1383, 2305, 6915, 21667, 61543, 65001, 108335, 184629, 307715, 325005, 923145, 2892521, 8677563, 14462605, 28371323, 43387815, 85113969, 141856615, 425569845, 1333452181, 4000356543, 6667260905, 20001782715]

約数ペア:

[(1, 20001782715), (3, 6667260905), (5, 4000356543), (15, 1333452181), (47, 425569845), (141, 141856615), (235, 85113969), (461, 43387815), (705, 28371323), (1383, 14462605), (2305, 8677563), (6915, 2892521), (21667, 923145), (61543, 325005), (65001, 307715), (108335, 184629)]