20699812

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43487}}^1$

素因数の和:43515

約数の個数: 24

約数和(自身を含む): 43835904

約数和(自身を除く): 23136092

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43487, 86974, 173948, 304409, 608818, 739279, 1217636, 1478558, 2957116, 5174953, 10349906, 20699812]

約数ペア:

[(1, 20699812), (2, 10349906), (4, 5174953), (7, 2957116), (14, 1478558), (17, 1217636), (28, 739279), (34, 608818), (68, 304409), (119, 173948), (238, 86974), (476, 43487)]