20218392488

素因数分解:

$2^3\times 7^1\times {\mathrm{19819}}^1\times {\mathrm{18217}}^1$

素因数の和:38049

約数の個数: 32

約数和(自身を含む): 43329691200

約数和(自身を除く): 23111298712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 18217, 19819, 36434, 39638, 72868, 79276, 127519, 138733, 145736, 158552, 255038, 277466, 510076, 554932, 1020152, 1109864, 361042723, 722085446, 1444170892, 2527299061, 2888341784, 5054598122, 10109196244, 20218392488]

約数ペア:

[(1, 20218392488), (2, 10109196244), (4, 5054598122), (7, 2888341784), (8, 2527299061), (14, 1444170892), (28, 722085446), (56, 361042723), (18217, 1109864), (19819, 1020152), (36434, 554932), (39638, 510076), (72868, 277466), (79276, 255038), (127519, 158552), (138733, 145736)]