20478140518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{698293}}^1$

素因数の和:698380

約数の個数: 32

約数和(自身を含む): 35395126272

約数和(自身を除く): 14916985754

約数列:

[1, 2, 11, 22, 31, 43, 62, 86, 341, 473, 682, 946, 1333, 2666, 14663, 29326, 698293, 1396586, 7681223, 15362446, 21647083, 30026599, 43294166, 60053198, 238117913, 330292589, 476235826, 660585178, 930824569, 1861649138, 10239070259, 20478140518]

約数ペア:

[(1, 20478140518), (2, 10239070259), (11, 1861649138), (22, 930824569), (31, 660585178), (43, 476235826), (62, 330292589), (86, 238117913), (341, 60053198), (473, 43294166), (682, 30026599), (946, 21647083), (1333, 15362446), (2666, 7681223), (14663, 1396586), (29326, 698293)]