20988366

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71389}}^1$

素因数の和:71408

約数の個数: 24

約数和(自身を含む): 48830760

約数和(自身を除く): 27842394

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71389, 142778, 214167, 428334, 499723, 999446, 1499169, 2998338, 3498061, 6996122, 10494183, 20988366]

約数ペア:

[(1, 20988366), (2, 10494183), (3, 6996122), (6, 3498061), (7, 2998338), (14, 1499169), (21, 999446), (42, 499723), (49, 428334), (98, 214167), (147, 142778), (294, 71389)]