20338458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5441}}^1$

素因数の和:5542

約数の個数: 32

約数和(自身を含む): 47018880

約数和(自身を除く): 26680422

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 267, 534, 623, 1246, 1869, 3738, 5441, 10882, 16323, 32646, 38087, 76174, 114261, 228522, 484249, 968498, 1452747, 2905494, 3389743, 6779486, 10169229, 20338458]

約数ペア:

[(1, 20338458), (2, 10169229), (3, 6779486), (6, 3389743), (7, 2905494), (14, 1452747), (21, 968498), (42, 484249), (89, 228522), (178, 114261), (267, 76174), (534, 38087), (623, 32646), (1246, 16323), (1869, 10882), (3738, 5441)]