20546896

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:451

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 20700464

約数列:

[1, 2, 4, 8, 16, 47, 89, 94, 178, 188, 307, 356, 376, 614, 712, 752, 1228, 1424, 2456, 4183, 4912, 8366, 14429, 16732, 27323, 28858, 33464, 54646, 57716, 66928, 109292, 115432, 218584, 230864, 437168, 1284181, 2568362, 5136724, 10273448, 20546896]

約数ペア:

[(1, 20546896), (2, 10273448), (4, 5136724), (8, 2568362), (16, 1284181), (47, 437168), (89, 230864), (94, 218584), (178, 115432), (188, 109292), (307, 66928), (356, 57716), (376, 54646), (614, 33464), (712, 28858), (752, 27323), (1228, 16732), (1424, 14429), (2456, 8366), (4183, 4912)]