20897162

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2414

約数の個数: 32

約数和(自身を含む): 38029824

約数和(自身を除く): 17132662

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 2357, 4433, 4714, 8866, 25927, 30641, 51854, 61282, 73067, 146134, 337051, 674102, 803737, 949871, 1607474, 1899742, 10448581, 20897162]

約数ペア:

[(1, 20897162), (2, 10448581), (11, 1899742), (13, 1607474), (22, 949871), (26, 803737), (31, 674102), (62, 337051), (143, 146134), (286, 73067), (341, 61282), (403, 51854), (682, 30641), (806, 25927), (2357, 8866), (4433, 4714)]