20954264

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4447}}^1$

素因数の和:4503

約数の個数: 32

約数和(自身を含む): 42700800

約数和(自身を除く): 21746536

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4447, 4712, 8894, 17788, 35576, 84493, 137857, 168986, 275714, 337972, 551428, 675944, 1102856, 2619283, 5238566, 10477132, 20954264]

約数ペア:

[(1, 20954264), (2, 10477132), (4, 5238566), (8, 2619283), (19, 1102856), (31, 675944), (38, 551428), (62, 337972), (76, 275714), (124, 168986), (152, 137857), (248, 84493), (589, 35576), (1178, 17788), (2356, 8894), (4447, 4712)]