20946750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2539}}^1$

素因数の和:2570

約数の個数: 64

約数和(自身を含む): 57058560

約数和(自身を除く): 36111810

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 125, 150, 165, 250, 275, 330, 375, 550, 750, 825, 1375, 1650, 2539, 2750, 4125, 5078, 7617, 8250, 12695, 15234, 25390, 27929, 38085, 55858, 63475, 76170, 83787, 126950, 139645, 167574, 190425, 279290, 317375, 380850, 418935, 634750, 698225, 837870, 952125, 1396450, 1904250, 2094675, 3491125, 4189350, 6982250, 10473375, 20946750]

約数ペア:

[(1, 20946750), (2, 10473375), (3, 6982250), (5, 4189350), (6, 3491125), (10, 2094675), (11, 1904250), (15, 1396450), (22, 952125), (25, 837870), (30, 698225), (33, 634750), (50, 418935), (55, 380850), (66, 317375), (75, 279290), (110, 190425), (125, 167574), (150, 139645), (165, 126950), (250, 83787), (275, 76170), (330, 63475), (375, 55858), (550, 38085), (750, 27929), (825, 25390), (1375, 15234), (1650, 12695), (2539, 8250), (2750, 7617), (4125, 5078)]