20866707896

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137280973}}^1$

素因数の和:137280998

約数の個数: 16

約数和(自身を含む): 41184292200

約数和(自身を除く): 20317584304

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 137280973, 274561946, 549123892, 1098247784, 2608338487, 5216676974, 10433353948, 20866707896]

約数ペア:

[(1, 20866707896), (2, 10433353948), (4, 5216676974), (8, 2608338487), (19, 1098247784), (38, 549123892), (76, 274561946), (152, 137280973)]