20090165890

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1\times {\mathrm{22027}}^1$

素因数の和:22666

約数の個数: 32

約数和(自身を含む): 36414927360

約数和(自身を除く): 16324761470

約数列:

[1, 2, 5, 10, 223, 409, 446, 818, 1115, 2045, 2230, 4090, 22027, 44054, 91207, 110135, 182414, 220270, 456035, 912070, 4912021, 9009043, 9824042, 18018086, 24560105, 45045215, 49120210, 90090430, 2009016589, 4018033178, 10045082945, 20090165890]

約数ペア:

[(1, 20090165890), (2, 10045082945), (5, 4018033178), (10, 2009016589), (223, 90090430), (409, 49120210), (446, 45045215), (818, 24560105), (1115, 18018086), (2045, 9824042), (2230, 9009043), (4090, 4912021), (22027, 912070), (44054, 456035), (91207, 220270), (110135, 182414)]