20189914941

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{49807}}^1$

素因数の和:50113

約数の個数: 32

約数和(自身を含む): 31239577600

約数和(自身を除く): 11049662659

約数列:

[1, 3, 7, 21, 97, 199, 291, 597, 679, 1393, 2037, 4179, 19303, 49807, 57909, 135121, 149421, 348649, 405363, 1045947, 4831279, 9911593, 14493837, 29734779, 33818953, 69381151, 101456859, 208143453, 961424521, 2884273563, 6729971647, 20189914941]

約数ペア:

[(1, 20189914941), (3, 6729971647), (7, 2884273563), (21, 961424521), (97, 208143453), (199, 101456859), (291, 69381151), (597, 33818953), (679, 29734779), (1393, 14493837), (2037, 9911593), (4179, 4831279), (19303, 1045947), (49807, 405363), (57909, 348649), (135121, 149421)]