20828394

素因数分解:

$2^1\times 3^3\times {\mathrm{181}}^1\times {\mathrm{2131}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 46562880

約数和(自身を除く): 25734486

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 181, 362, 543, 1086, 1629, 2131, 3258, 4262, 4887, 6393, 9774, 12786, 19179, 38358, 57537, 115074, 385711, 771422, 1157133, 2314266, 3471399, 6942798, 10414197, 20828394]

約数ペア:

[(1, 20828394), (2, 10414197), (3, 6942798), (6, 3471399), (9, 2314266), (18, 1157133), (27, 771422), (54, 385711), (181, 115074), (362, 57537), (543, 38358), (1086, 19179), (1629, 12786), (2131, 9774), (3258, 6393), (4262, 4887)]