20955152

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{77041}}^1$

素因数の和:77066

約数の個数: 20

約数和(自身を含む): 42989436

約数和(自身を除く): 22034284

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 77041, 154082, 308164, 616328, 1232656, 1309697, 2619394, 5238788, 10477576, 20955152]

約数ペア:

[(1, 20955152), (2, 10477576), (4, 5238788), (8, 2619394), (16, 1309697), (17, 1232656), (34, 616328), (68, 308164), (136, 154082), (272, 77041)]