20691832

素因数分解:

$2^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2447}}^1$

素因数の和:2611

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 23959688

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 2447, 4228, 4894, 8456, 9788, 17129, 19576, 34258, 68516, 137032, 369497, 738994, 1477988, 2586479, 2955976, 5172958, 10345916, 20691832]

約数ペア:

[(1, 20691832), (2, 10345916), (4, 5172958), (7, 2955976), (8, 2586479), (14, 1477988), (28, 738994), (56, 369497), (151, 137032), (302, 68516), (604, 34258), (1057, 19576), (1208, 17129), (2114, 9788), (2447, 8456), (4228, 4894)]