20986682672

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{2479523}}^1$

素因数の和:2479577

約数の個数: 30

約数和(自身を含む): 42506479932

約数和(自身を除く): 21519797260

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 529, 1058, 2116, 4232, 8464, 2479523, 4959046, 9918092, 19836184, 39672368, 57029029, 114058058, 228116116, 456232232, 912464464, 1311667667, 2623335334, 5246670668, 10493341336, 20986682672]

約数ペア:

[(1, 20986682672), (2, 10493341336), (4, 5246670668), (8, 2623335334), (16, 1311667667), (23, 912464464), (46, 456232232), (92, 228116116), (184, 114058058), (368, 57029029), (529, 39672368), (1058, 19836184), (2116, 9918092), (4232, 4959046), (8464, 2479523)]