20123951220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111799729}}^1$

素因数の和:111799744

約数の個数: 36

約数和(自身を含む): 61042652580

約数和(自身を除く): 40918701360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111799729, 223599458, 335399187, 447198916, 558998645, 670798374, 1006197561, 1117997290, 1341596748, 1676995935, 2012395122, 2235994580, 3353991870, 4024790244, 5030987805, 6707983740, 10061975610, 20123951220]

約数ペア:

[(1, 20123951220), (2, 10061975610), (3, 6707983740), (4, 5030987805), (5, 4024790244), (6, 3353991870), (9, 2235994580), (10, 2012395122), (12, 1676995935), (15, 1341596748), (18, 1117997290), (20, 1006197561), (30, 670798374), (36, 558998645), (45, 447198916), (60, 335399187), (90, 223599458), (180, 111799729)]