20649496

素因数分解:

$2^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{751}}^1$

素因数の和:1255

約数の個数: 32

約数和(自身を含む): 44398080

約数和(自身を除く): 23748584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 491, 751, 982, 1502, 1964, 3004, 3437, 3928, 5257, 6008, 6874, 10514, 13748, 21028, 27496, 42056, 368741, 737482, 1474964, 2581187, 2949928, 5162374, 10324748, 20649496]

約数ペア:

[(1, 20649496), (2, 10324748), (4, 5162374), (7, 2949928), (8, 2581187), (14, 1474964), (28, 737482), (56, 368741), (491, 42056), (751, 27496), (982, 21028), (1502, 13748), (1964, 10514), (3004, 6874), (3437, 6008), (3928, 5257)]