20474080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11633}}^1$

素因数の和:11659

約数の個数: 48

約数和(自身を含む): 52771824

約数和(自身を除く): 32297744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11633, 23266, 46532, 58165, 93064, 116330, 127963, 186128, 232660, 255926, 372256, 465320, 511852, 639815, 930640, 1023704, 1279630, 1861280, 2047408, 2559260, 4094816, 5118520, 10237040, 20474080]

約数ペア:

[(1, 20474080), (2, 10237040), (4, 5118520), (5, 4094816), (8, 2559260), (10, 2047408), (11, 1861280), (16, 1279630), (20, 1023704), (22, 930640), (32, 639815), (40, 511852), (44, 465320), (55, 372256), (80, 255926), (88, 232660), (110, 186128), (160, 127963), (176, 116330), (220, 93064), (352, 58165), (440, 46532), (880, 23266), (1760, 11633)]