20166037904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{244781}}^1$

素因数の和:245079

約数の個数: 40

約数和(自身を含む): 41280036480

約数和(自身を除く): 21113998576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 271, 304, 542, 1084, 2168, 4336, 5149, 10298, 20596, 41192, 82384, 244781, 489562, 979124, 1958248, 3916496, 4650839, 9301678, 18603356, 37206712, 66335651, 74413424, 132671302, 265342604, 530685208, 1061370416, 1260377369, 2520754738, 5041509476, 10083018952, 20166037904]

約数ペア:

[(1, 20166037904), (2, 10083018952), (4, 5041509476), (8, 2520754738), (16, 1260377369), (19, 1061370416), (38, 530685208), (76, 265342604), (152, 132671302), (271, 74413424), (304, 66335651), (542, 37206712), (1084, 18603356), (2168, 9301678), (4336, 4650839), (5149, 3916496), (10298, 1958248), (20596, 979124), (41192, 489562), (82384, 244781)]