20123360

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{727}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 47882016

約数和(自身を除く): 27758656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 692, 727, 865, 1384, 1454, 1730, 2768, 2908, 3460, 3635, 5536, 5816, 6920, 7270, 11632, 13840, 14540, 23264, 27680, 29080, 58160, 116320, 125771, 251542, 503084, 628855, 1006168, 1257710, 2012336, 2515420, 4024672, 5030840, 10061680, 20123360]

約数ペア:

[(1, 20123360), (2, 10061680), (4, 5030840), (5, 4024672), (8, 2515420), (10, 2012336), (16, 1257710), (20, 1006168), (32, 628855), (40, 503084), (80, 251542), (160, 125771), (173, 116320), (346, 58160), (692, 29080), (727, 27680), (865, 23264), (1384, 14540), (1454, 13840), (1730, 11632), (2768, 7270), (2908, 6920), (3460, 5816), (3635, 5536)]