20201384

素因数分解:

$2^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2389}}^1$

素因数の和:2553

約数の個数: 32

約数和(自身を含む): 43593600

約数和(自身を除く): 23392216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 2389, 4228, 4778, 8456, 9556, 16723, 19112, 33446, 66892, 133784, 360739, 721478, 1442956, 2525173, 2885912, 5050346, 10100692, 20201384]

約数ペア:

[(1, 20201384), (2, 10100692), (4, 5050346), (7, 2885912), (8, 2525173), (14, 1442956), (28, 721478), (56, 360739), (151, 133784), (302, 66892), (604, 33446), (1057, 19112), (1208, 16723), (2114, 9556), (2389, 8456), (4228, 4778)]