20404230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 62401536

約数和(自身を除く): 41997306

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 73, 77, 105, 110, 121, 146, 154, 165, 210, 219, 231, 242, 330, 363, 365, 385, 438, 462, 511, 605, 726, 730, 770, 803, 847, 1022, 1095, 1155, 1210, 1331, 1533, 1606, 1694, 1815, 2190, 2310, 2409, 2541, 2555, 2662, 3066, 3630, 3993, 4015, 4235, 4818, 5082, 5110, 5621, 6655, 7665, 7986, 8030, 8470, 8833, 9317, 11242, 12045, 12705, 13310, 15330, 16863, 17666, 18634, 19965, 24090, 25410, 26499, 27951, 28105, 33726, 39930, 44165, 46585, 52998, 55902, 56210, 61831, 84315, 88330, 93170, 97163, 123662, 132495, 139755, 168630, 185493, 194326, 264990, 279510, 291489, 309155, 370986, 485815, 582978, 618310, 680141, 927465, 971630, 1360282, 1457445, 1854930, 2040423, 2914890, 3400705, 4080846, 6801410, 10202115, 20404230]

約数ペア:

[(1, 20404230), (2, 10202115), (3, 6801410), (5, 4080846), (6, 3400705), (7, 2914890), (10, 2040423), (11, 1854930), (14, 1457445), (15, 1360282), (21, 971630), (22, 927465), (30, 680141), (33, 618310), (35, 582978), (42, 485815), (55, 370986), (66, 309155), (70, 291489), (73, 279510), (77, 264990), (105, 194326), (110, 185493), (121, 168630), (146, 139755), (154, 132495), (165, 123662), (210, 97163), (219, 93170), (231, 88330), (242, 84315), (330, 61831), (363, 56210), (365, 55902), (385, 52998), (438, 46585), (462, 44165), (511, 39930), (605, 33726), (726, 28105), (730, 27951), (770, 26499), (803, 25410), (847, 24090), (1022, 19965), (1095, 18634), (1155, 17666), (1210, 16863), (1331, 15330), (1533, 13310), (1606, 12705), (1694, 12045), (1815, 11242), (2190, 9317), (2310, 8833), (2409, 8470), (2541, 8030), (2555, 7986), (2662, 7665), (3066, 6655), (3630, 5621), (3993, 5110), (4015, 5082), (4235, 4818)]