20973040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23833}}^1$

素因数の和:23857

約数の個数: 40

約数和(自身を含む): 53197488

約数和(自身を除く): 32224448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23833, 47666, 95332, 119165, 190664, 238330, 262163, 381328, 476660, 524326, 953320, 1048652, 1310815, 1906640, 2097304, 2621630, 4194608, 5243260, 10486520, 20973040]

約数ペア:

[(1, 20973040), (2, 10486520), (4, 5243260), (5, 4194608), (8, 2621630), (10, 2097304), (11, 1906640), (16, 1310815), (20, 1048652), (22, 953320), (40, 524326), (44, 476660), (55, 381328), (80, 262163), (88, 238330), (110, 190664), (176, 119165), (220, 95332), (440, 47666), (880, 23833)]