20159327920

素因数分解:

$2^4\times 5^1\times {\mathrm{2273}}^1\times {\mathrm{110863}}^1$

素因数の和:113149

約数の個数: 40

約数和(自身を含む): 46891480896

約数和(自身を除く): 26732152976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2273, 4546, 9092, 11365, 18184, 22730, 36368, 45460, 90920, 110863, 181840, 221726, 443452, 554315, 886904, 1108630, 1773808, 2217260, 4434520, 8869040, 251991599, 503983198, 1007966396, 1259957995, 2015932792, 2519915990, 4031865584, 5039831980, 10079663960, 20159327920]

約数ペア:

[(1, 20159327920), (2, 10079663960), (4, 5039831980), (5, 4031865584), (8, 2519915990), (10, 2015932792), (16, 1259957995), (20, 1007966396), (40, 503983198), (80, 251991599), (2273, 8869040), (4546, 4434520), (9092, 2217260), (11365, 1773808), (18184, 1108630), (22730, 886904), (36368, 554315), (45460, 443452), (90920, 221726), (110863, 181840)]