20156899168

素因数分解:

$2^5\times 7^1\times {\mathrm{673}}^1\times {\mathrm{133709}}^1$

素因数の和:134399

約数の個数: 48

約数和(自身を含む): 45420752160

約数和(自身を除く): 25263852992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 673, 1346, 2692, 4711, 5384, 9422, 10768, 18844, 21536, 37688, 75376, 133709, 150752, 267418, 534836, 935963, 1069672, 1871926, 2139344, 3743852, 4278688, 7487704, 14975408, 29950816, 89986157, 179972314, 359944628, 629903099, 719889256, 1259806198, 1439778512, 2519612396, 2879557024, 5039224792, 10078449584, 20156899168]

約数ペア:

[(1, 20156899168), (2, 10078449584), (4, 5039224792), (7, 2879557024), (8, 2519612396), (14, 1439778512), (16, 1259806198), (28, 719889256), (32, 629903099), (56, 359944628), (112, 179972314), (224, 89986157), (673, 29950816), (1346, 14975408), (2692, 7487704), (4711, 4278688), (5384, 3743852), (9422, 2139344), (10768, 1871926), (18844, 1069672), (21536, 935963), (37688, 534836), (75376, 267418), (133709, 150752)]