20164062080

素因数分解:

$2^7\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{18307}}^1$

素因数の和:20047

約数の個数: 64

約数和(自身を含む): 48235355280

約数和(自身を除く): 28071293200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1721, 3442, 6884, 8605, 13768, 17210, 18307, 27536, 34420, 36614, 55072, 68840, 73228, 91535, 110144, 137680, 146456, 183070, 220288, 275360, 292912, 366140, 550720, 585824, 732280, 1101440, 1171648, 1464560, 2343296, 2929120, 5858240, 11716480, 31506347, 63012694, 126025388, 157531735, 252050776, 315063470, 504101552, 630126940, 1008203104, 1260253880, 2016406208, 2520507760, 4032812416, 5041015520, 10082031040, 20164062080]

約数ペア:

[(1, 20164062080), (2, 10082031040), (4, 5041015520), (5, 4032812416), (8, 2520507760), (10, 2016406208), (16, 1260253880), (20, 1008203104), (32, 630126940), (40, 504101552), (64, 315063470), (80, 252050776), (128, 157531735), (160, 126025388), (320, 63012694), (640, 31506347), (1721, 11716480), (3442, 5858240), (6884, 2929120), (8605, 2343296), (13768, 1464560), (17210, 1171648), (18307, 1101440), (27536, 732280), (34420, 585824), (36614, 550720), (55072, 366140), (68840, 292912), (73228, 275360), (91535, 220288), (110144, 183070), (137680, 146456)]