20576292

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 54340608

約数和(自身を除く): 33764316

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 121, 132, 148, 222, 242, 363, 383, 407, 444, 484, 726, 766, 814, 1149, 1221, 1452, 1532, 1628, 2298, 2442, 4213, 4477, 4596, 4884, 8426, 8954, 12639, 13431, 14171, 16852, 17908, 25278, 26862, 28342, 42513, 46343, 50556, 53724, 56684, 85026, 92686, 139029, 155881, 170052, 185372, 278058, 311762, 467643, 556116, 623524, 935286, 1714691, 1870572, 3429382, 5144073, 6858764, 10288146, 20576292]

約数ペア:

[(1, 20576292), (2, 10288146), (3, 6858764), (4, 5144073), (6, 3429382), (11, 1870572), (12, 1714691), (22, 935286), (33, 623524), (37, 556116), (44, 467643), (66, 311762), (74, 278058), (111, 185372), (121, 170052), (132, 155881), (148, 139029), (222, 92686), (242, 85026), (363, 56684), (383, 53724), (407, 50556), (444, 46343), (484, 42513), (726, 28342), (766, 26862), (814, 25278), (1149, 17908), (1221, 16852), (1452, 14171), (1532, 13431), (1628, 12639), (2298, 8954), (2442, 8426), (4213, 4884), (4477, 4596)]