20557526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 35582976

約数和(自身を除く): 15025450

約数列:

[1, 2, 11, 22, 31, 43, 62, 86, 341, 473, 682, 701, 946, 1333, 1402, 2666, 7711, 14663, 15422, 21731, 29326, 30143, 43462, 60286, 239041, 331573, 478082, 663146, 934433, 1868866, 10278763, 20557526]

約数ペア:

[(1, 20557526), (2, 10278763), (11, 1868866), (22, 934433), (31, 663146), (43, 478082), (62, 331573), (86, 239041), (341, 60286), (473, 43462), (682, 30143), (701, 29326), (946, 21731), (1333, 15422), (1402, 14663), (2666, 7711)]