20337438

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 45294480

約数和(自身を除く): 24957042

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 109, 121, 218, 242, 257, 327, 363, 514, 654, 726, 771, 1199, 1542, 2398, 2827, 3597, 5654, 7194, 8481, 13189, 16962, 26378, 28013, 31097, 39567, 56026, 62194, 79134, 84039, 93291, 168078, 186582, 308143, 616286, 924429, 1848858, 3389573, 6779146, 10168719, 20337438]

約数ペア:

[(1, 20337438), (2, 10168719), (3, 6779146), (6, 3389573), (11, 1848858), (22, 924429), (33, 616286), (66, 308143), (109, 186582), (121, 168078), (218, 93291), (242, 84039), (257, 79134), (327, 62194), (363, 56026), (514, 39567), (654, 31097), (726, 28013), (771, 26378), (1199, 16962), (1542, 13189), (2398, 8481), (2827, 7194), (3597, 5654)]