20155912

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15649}}^1$

素因数の和:15685

約数の個数: 32

約数和(自身を含む): 45072000

約数和(自身を除く): 24916088

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15649, 31298, 62596, 109543, 125192, 219086, 359927, 438172, 719854, 876344, 1439708, 2519489, 2879416, 5038978, 10077956, 20155912]

約数ペア:

[(1, 20155912), (2, 10077956), (4, 5038978), (7, 2879416), (8, 2519489), (14, 1439708), (23, 876344), (28, 719854), (46, 438172), (56, 359927), (92, 219086), (161, 125192), (184, 109543), (322, 62596), (644, 31298), (1288, 15649)]