20213186

素因数分解:

$2^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{863}}^1$

素因数の和:1118

約数の個数: 24

約数和(自身を含む): 35458560

約数和(自身を除く): 15245374

約数列:

[1, 2, 7, 14, 49, 98, 239, 478, 863, 1673, 1726, 3346, 6041, 11711, 12082, 23422, 42287, 84574, 206257, 412514, 1443799, 2887598, 10106593, 20213186]

約数ペア:

[(1, 20213186), (2, 10106593), (7, 2887598), (14, 1443799), (49, 412514), (98, 206257), (239, 84574), (478, 42287), (863, 23422), (1673, 12082), (1726, 11711), (3346, 6041)]