20512459874

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1\times {\mathrm{8059}}^1$

素因数の和:8826

約数の個数: 32

約数和(自身を含む): 32333882880

約数和(自身を除く): 11821423006

約数列:

[1, 2, 31, 61, 62, 122, 673, 1346, 1891, 3782, 8059, 16118, 20863, 41053, 41726, 82106, 249829, 491599, 499658, 983198, 1272643, 2545286, 5423707, 10847414, 15239569, 30479138, 168134917, 330846127, 336269834, 661692254, 10256229937, 20512459874]

約数ペア:

[(1, 20512459874), (2, 10256229937), (31, 661692254), (61, 336269834), (62, 330846127), (122, 168134917), (673, 30479138), (1346, 15239569), (1891, 10847414), (3782, 5423707), (8059, 2545286), (16118, 1272643), (20863, 983198), (41053, 499658), (41726, 491599), (82106, 249829)]