20803638

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{647}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 43670016

約数和(自身を除く): 22866378

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 233, 466, 647, 699, 1294, 1398, 1941, 3882, 5359, 10718, 14881, 16077, 29762, 32154, 44643, 89286, 150751, 301502, 452253, 904506, 3467273, 6934546, 10401819, 20803638]

約数ペア:

[(1, 20803638), (2, 10401819), (3, 6934546), (6, 3467273), (23, 904506), (46, 452253), (69, 301502), (138, 150751), (233, 89286), (466, 44643), (647, 32154), (699, 29762), (1294, 16077), (1398, 14881), (1941, 10718), (3882, 5359)]