20662746

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2731}}^1$

素因数の和:2846

約数の個数: 32

約数和(自身を含む): 44979648

約数和(自身を除く): 24316902

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 97, 194, 291, 582, 1261, 2522, 2731, 3783, 5462, 7566, 8193, 16386, 35503, 71006, 106509, 213018, 264907, 529814, 794721, 1589442, 3443791, 6887582, 10331373, 20662746]

約数ペア:

[(1, 20662746), (2, 10331373), (3, 6887582), (6, 3443791), (13, 1589442), (26, 794721), (39, 529814), (78, 264907), (97, 213018), (194, 106509), (291, 71006), (582, 35503), (1261, 16386), (2522, 8193), (2731, 7566), (3783, 5462)]