20931708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{249187}}^1$

素因数の和:249201

約数の個数: 24

約数和(自身を含む): 55818112

約数和(自身を除く): 34886404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 249187, 498374, 747561, 996748, 1495122, 1744309, 2990244, 3488618, 5232927, 6977236, 10465854, 20931708]

約数ペア:

[(1, 20931708), (2, 10465854), (3, 6977236), (4, 5232927), (6, 3488618), (7, 2990244), (12, 1744309), (14, 1495122), (21, 996748), (28, 747561), (42, 498374), (84, 249187)]