20689350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12539}}^1$

素因数の和:12565

約数の個数: 48

約数和(自身を含む): 55978560

約数和(自身を除く): 35289210

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12539, 25078, 37617, 62695, 75234, 125390, 137929, 188085, 275858, 313475, 376170, 413787, 626950, 689645, 827574, 940425, 1379290, 1880850, 2068935, 3448225, 4137870, 6896450, 10344675, 20689350]

約数ペア:

[(1, 20689350), (2, 10344675), (3, 6896450), (5, 4137870), (6, 3448225), (10, 2068935), (11, 1880850), (15, 1379290), (22, 940425), (25, 827574), (30, 689645), (33, 626950), (50, 413787), (55, 376170), (66, 313475), (75, 275858), (110, 188085), (150, 137929), (165, 125390), (275, 75234), (330, 62695), (550, 37617), (825, 25078), (1650, 12539)]