20873524

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1163}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 41848128

約数和(自身を除く): 20974604

約数列:

[1, 2, 4, 7, 14, 28, 641, 1163, 1282, 2326, 2564, 4487, 4652, 8141, 8974, 16282, 17948, 32564, 745483, 1490966, 2981932, 5218381, 10436762, 20873524]

約数ペア:

[(1, 20873524), (2, 10436762), (4, 5218381), (7, 2981932), (14, 1490966), (28, 745483), (641, 32564), (1163, 17948), (1282, 16282), (2326, 8974), (2564, 8141), (4487, 4652)]