20606080

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2927}}^1$

素因数の和:2957

約数の個数: 64

約数和(自身を含む): 53758080

約数和(自身を除く): 33152000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2927, 3520, 5854, 7040, 11708, 14635, 23416, 29270, 32197, 46832, 58540, 64394, 93664, 117080, 128788, 160985, 187328, 234160, 257576, 321970, 374656, 468320, 515152, 643940, 936640, 1030304, 1287880, 1873280, 2060608, 2575760, 4121216, 5151520, 10303040, 20606080]

約数ペア:

[(1, 20606080), (2, 10303040), (4, 5151520), (5, 4121216), (8, 2575760), (10, 2060608), (11, 1873280), (16, 1287880), (20, 1030304), (22, 936640), (32, 643940), (40, 515152), (44, 468320), (55, 374656), (64, 321970), (80, 257576), (88, 234160), (110, 187328), (128, 160985), (160, 128788), (176, 117080), (220, 93664), (320, 64394), (352, 58540), (440, 46832), (640, 32197), (704, 29270), (880, 23416), (1408, 14635), (1760, 11708), (2927, 7040), (3520, 5854)]