20911002

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21647}}^1$

素因数の和:21682

約数の個数: 32

約数和(自身を含む): 49876992

約数和(自身を除く): 28965990

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 21647, 43294, 64941, 129882, 151529, 303058, 454587, 497881, 909174, 995762, 1493643, 2987286, 3485167, 6970334, 10455501, 20911002]

約数ペア:

[(1, 20911002), (2, 10455501), (3, 6970334), (6, 3485167), (7, 2987286), (14, 1493643), (21, 995762), (23, 909174), (42, 497881), (46, 454587), (69, 303058), (138, 151529), (161, 129882), (322, 64941), (483, 43294), (966, 21647)]