20275543216

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{4621}}^1\times {\mathrm{4093}}^1$

素因数の和:8789

約数の個数: 40

約数和(自身を含む): 39888562544

約数和(自身を除く): 19613019328

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 4093, 4621, 8186, 9242, 16372, 18484, 32744, 36968, 65488, 73936, 274231, 309607, 548462, 619214, 1096924, 1238428, 2193848, 2476856, 4387696, 4953712, 18913753, 37827506, 75655012, 151310024, 302620048, 1267221451, 2534442902, 5068885804, 10137771608, 20275543216]

約数ペア:

[(1, 20275543216), (2, 10137771608), (4, 5068885804), (8, 2534442902), (16, 1267221451), (67, 302620048), (134, 151310024), (268, 75655012), (536, 37827506), (1072, 18913753), (4093, 4953712), (4621, 4387696), (8186, 2476856), (9242, 2193848), (16372, 1238428), (18484, 1096924), (32744, 619214), (36968, 548462), (65488, 309607), (73936, 274231)]