20766160464

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1993679}}^1$

素因数の和:1993728

約数の個数: 80

約数和(自身を含む): 63287377920

約数和(自身を除く): 42521217456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 10416, 1993679, 3987358, 5981037, 7974716, 11962074, 13955753, 15949432, 23924148, 27911506, 31898864, 41867259, 47848296, 55823012, 61804049, 83734518, 95696592, 111646024, 123608098, 167469036, 185412147, 223292048, 247216196, 334938072, 370824294, 432628343, 494432392, 669876144, 741648588, 865256686, 988864784, 1297885029, 1483297176, 1730513372, 2595770058, 2966594352, 3461026744, 5191540116, 6922053488, 10383080232, 20766160464]

約数ペア:

[(1, 20766160464), (2, 10383080232), (3, 6922053488), (4, 5191540116), (6, 3461026744), (7, 2966594352), (8, 2595770058), (12, 1730513372), (14, 1483297176), (16, 1297885029), (21, 988864784), (24, 865256686), (28, 741648588), (31, 669876144), (42, 494432392), (48, 432628343), (56, 370824294), (62, 334938072), (84, 247216196), (93, 223292048), (112, 185412147), (124, 167469036), (168, 123608098), (186, 111646024), (217, 95696592), (248, 83734518), (336, 61804049), (372, 55823012), (434, 47848296), (496, 41867259), (651, 31898864), (744, 27911506), (868, 23924148), (1302, 15949432), (1488, 13955753), (1736, 11962074), (2604, 7974716), (3472, 5981037), (5208, 3987358), (10416, 1993679)]