20687098518

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{12149}}^1$

素因数の和:12643

約数の個数: 80

約数和(自身を含む): 48479666400

約数和(自身を除く): 27792567882

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 457, 621, 914, 1242, 1371, 1863, 2742, 3726, 4113, 8226, 10511, 12149, 12339, 21022, 24298, 24678, 31533, 36447, 37017, 63066, 72894, 74034, 94599, 109341, 189198, 218682, 279427, 283797, 328023, 558854, 567594, 656046, 838281, 851391, 984069, 1676562, 1702782, 1968138, 2514843, 5029686, 5552093, 7544529, 11104186, 15089058, 16656279, 22633587, 33312558, 45267174, 49968837, 99937674, 127698139, 149906511, 255396278, 299813022, 383094417, 449719533, 766188834, 899439066, 1149283251, 2298566502, 3447849753, 6895699506, 10343549259, 20687098518]

約数ペア:

[(1, 20687098518), (2, 10343549259), (3, 6895699506), (6, 3447849753), (9, 2298566502), (18, 1149283251), (23, 899439066), (27, 766188834), (46, 449719533), (54, 383094417), (69, 299813022), (81, 255396278), (138, 149906511), (162, 127698139), (207, 99937674), (414, 49968837), (457, 45267174), (621, 33312558), (914, 22633587), (1242, 16656279), (1371, 15089058), (1863, 11104186), (2742, 7544529), (3726, 5552093), (4113, 5029686), (8226, 2514843), (10511, 1968138), (12149, 1702782), (12339, 1676562), (21022, 984069), (24298, 851391), (24678, 838281), (31533, 656046), (36447, 567594), (37017, 558854), (63066, 328023), (72894, 283797), (74034, 279427), (94599, 218682), (109341, 189198)]