20735348516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{53881}}^1$

素因数の和:54044

約数の個数: 48

約数和(自身を含む): 39105400320

約数和(自身を除く): 18370051804

約数列:

[1, 2, 4, 23, 46, 47, 89, 92, 94, 178, 188, 356, 1081, 2047, 2162, 4094, 4183, 4324, 8188, 8366, 16732, 53881, 96209, 107762, 192418, 215524, 384836, 1239263, 2478526, 2532407, 4795409, 4957052, 5064814, 9590818, 10129628, 19181636, 58245361, 110294407, 116490722, 220588814, 225384223, 232981444, 441177628, 450768446, 901536892, 5183837129, 10367674258, 20735348516]

約数ペア:

[(1, 20735348516), (2, 10367674258), (4, 5183837129), (23, 901536892), (46, 450768446), (47, 441177628), (89, 232981444), (92, 225384223), (94, 220588814), (178, 116490722), (188, 110294407), (356, 58245361), (1081, 19181636), (2047, 10129628), (2162, 9590818), (4094, 5064814), (4183, 4957052), (4324, 4795409), (8188, 2532407), (8366, 2478526), (16732, 1239263), (53881, 384836), (96209, 215524), (107762, 192418)]