20739496

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{347}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 40423680

約数和(自身を除く): 19684184

約数列:

[1, 2, 4, 8, 31, 62, 124, 241, 248, 347, 482, 694, 964, 1388, 1928, 2776, 7471, 10757, 14942, 21514, 29884, 43028, 59768, 83627, 86056, 167254, 334508, 669016, 2592437, 5184874, 10369748, 20739496]

約数ペア:

[(1, 20739496), (2, 10369748), (4, 5184874), (8, 2592437), (31, 669016), (62, 334508), (124, 167254), (241, 86056), (248, 83627), (347, 59768), (482, 43028), (694, 29884), (964, 21514), (1388, 14942), (1928, 10757), (2776, 7471)]