20973856

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21143}}^1$

素因数の和:21184

約数の個数: 24

約数和(自身を含む): 42626304

約数和(自身を除く): 21652448

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21143, 42286, 84572, 169144, 338288, 655433, 676576, 1310866, 2621732, 5243464, 10486928, 20973856]

約数ペア:

[(1, 20973856), (2, 10486928), (4, 5243464), (8, 2621732), (16, 1310866), (31, 676576), (32, 655433), (62, 338288), (124, 169144), (248, 84572), (496, 42286), (992, 21143)]