20170678416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{251179}}^1$

素因数の和:251436

約数の個数: 80

約数和(自身を含む): 59800934400

約数和(自身を除く): 39630255984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 239, 336, 478, 717, 956, 1434, 1673, 1912, 2868, 3346, 3824, 5019, 5736, 6692, 10038, 11472, 13384, 20076, 26768, 40152, 80304, 251179, 502358, 753537, 1004716, 1507074, 1758253, 2009432, 3014148, 3516506, 4018864, 5274759, 6028296, 7033012, 10549518, 12056592, 14066024, 21099036, 28132048, 42198072, 60031781, 84396144, 120063562, 180095343, 240127124, 360190686, 420222467, 480254248, 720381372, 840444934, 960508496, 1260667401, 1440762744, 1680889868, 2521334802, 2881525488, 3361779736, 5042669604, 6723559472, 10085339208, 20170678416]

約数ペア:

[(1, 20170678416), (2, 10085339208), (3, 6723559472), (4, 5042669604), (6, 3361779736), (7, 2881525488), (8, 2521334802), (12, 1680889868), (14, 1440762744), (16, 1260667401), (21, 960508496), (24, 840444934), (28, 720381372), (42, 480254248), (48, 420222467), (56, 360190686), (84, 240127124), (112, 180095343), (168, 120063562), (239, 84396144), (336, 60031781), (478, 42198072), (717, 28132048), (956, 21099036), (1434, 14066024), (1673, 12056592), (1912, 10549518), (2868, 7033012), (3346, 6028296), (3824, 5274759), (5019, 4018864), (5736, 3516506), (6692, 3014148), (10038, 2009432), (11472, 1758253), (13384, 1507074), (20076, 1004716), (26768, 753537), (40152, 502358), (80304, 251179)]