20890494

素因数分解:

$2^1\times 3^3\times {\mathrm{283}}^1\times {\mathrm{1367}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 46621440

約数和(自身を除く): 25730946

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 283, 566, 849, 1367, 1698, 2547, 2734, 4101, 5094, 7641, 8202, 12303, 15282, 24606, 36909, 73818, 386861, 773722, 1160583, 2321166, 3481749, 6963498, 10445247, 20890494]

約数ペア:

[(1, 20890494), (2, 10445247), (3, 6963498), (6, 3481749), (9, 2321166), (18, 1160583), (27, 773722), (54, 386861), (283, 73818), (566, 36909), (849, 24606), (1367, 15282), (1698, 12303), (2547, 8202), (2734, 7641), (4101, 5094)]