20438550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4129}}^1$

素因数の和:4158

約数の個数: 72

約数和(自身を含む): 59918040

約数和(自身を除く): 39479490

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 150, 165, 198, 225, 275, 330, 450, 495, 550, 825, 990, 1650, 2475, 4129, 4950, 8258, 12387, 20645, 24774, 37161, 41290, 45419, 61935, 74322, 90838, 103225, 123870, 136257, 185805, 206450, 227095, 272514, 309675, 371610, 408771, 454190, 619350, 681285, 817542, 929025, 1135475, 1362570, 1858050, 2043855, 2270950, 3406425, 4087710, 6812850, 10219275, 20438550]

約数ペア:

[(1, 20438550), (2, 10219275), (3, 6812850), (5, 4087710), (6, 3406425), (9, 2270950), (10, 2043855), (11, 1858050), (15, 1362570), (18, 1135475), (22, 929025), (25, 817542), (30, 681285), (33, 619350), (45, 454190), (50, 408771), (55, 371610), (66, 309675), (75, 272514), (90, 227095), (99, 206450), (110, 185805), (150, 136257), (165, 123870), (198, 103225), (225, 90838), (275, 74322), (330, 61935), (450, 45419), (495, 41290), (550, 37161), (825, 24774), (990, 20645), (1650, 12387), (2475, 8258), (4129, 4950)]