20802326986

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{305297}}^1$

素因数の和:305494

約数の個数: 32

約数和(自身を含む): 37046080512

約数和(自身を除く): 16243753526

約数列:

[1, 2, 7, 14, 31, 62, 157, 217, 314, 434, 1099, 2198, 4867, 9734, 34069, 68138, 305297, 610594, 2137079, 4274158, 9464207, 18928414, 47931629, 66249449, 95863258, 132498898, 335521403, 671042806, 1485880499, 2971760998, 10401163493, 20802326986]

約数ペア:

[(1, 20802326986), (2, 10401163493), (7, 2971760998), (14, 1485880499), (31, 671042806), (62, 335521403), (157, 132498898), (217, 95863258), (314, 66249449), (434, 47931629), (1099, 18928414), (2198, 9464207), (4867, 4274158), (9734, 2137079), (34069, 610594), (68138, 305297)]