20181284704

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2906291}}^1$

素因数の和:2906339

約数の個数: 48

約数和(自身を含む): 46872677376

約数和(自身を除く): 26691392672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 2906291, 5812582, 11625164, 20344037, 23250328, 40688074, 46500656, 81376148, 90095021, 93001312, 162752296, 180190042, 325504592, 360380084, 630665147, 651009184, 720760168, 1261330294, 1441520336, 2522660588, 2883040672, 5045321176, 10090642352, 20181284704]

約数ペア:

[(1, 20181284704), (2, 10090642352), (4, 5045321176), (7, 2883040672), (8, 2522660588), (14, 1441520336), (16, 1261330294), (28, 720760168), (31, 651009184), (32, 630665147), (56, 360380084), (62, 325504592), (112, 180190042), (124, 162752296), (217, 93001312), (224, 90095021), (248, 81376148), (434, 46500656), (496, 40688074), (868, 23250328), (992, 20344037), (1736, 11625164), (3472, 5812582), (6944, 2906291)]