20954896

素因数分解:

$2^4\times {\mathrm{761}}^1\times {\mathrm{1721}}^1$

素因数の和:2490

約数の個数: 20

約数和(自身を含む): 40677084

約数和(自身を除く): 19722188

約数列:

[1, 2, 4, 8, 16, 761, 1522, 1721, 3044, 3442, 6088, 6884, 12176, 13768, 27536, 1309681, 2619362, 5238724, 10477448, 20954896]

約数ペア:

[(1, 20954896), (2, 10477448), (4, 5238724), (8, 2619362), (16, 1309681), (761, 27536), (1522, 13768), (1721, 12176), (3044, 6884), (3442, 6088)]