20199803888

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{76159}}^1$

素因数の和:76326

約数の個数: 60

約数和(自身を含む): 43333059840

約数和(自身を除く): 23133255952

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 137, 176, 242, 274, 484, 548, 968, 1096, 1507, 1936, 2192, 3014, 6028, 12056, 16577, 24112, 33154, 66308, 76159, 132616, 152318, 265232, 304636, 609272, 837749, 1218544, 1675498, 3350996, 6701992, 9215239, 10433783, 13403984, 18430478, 20867566, 36860956, 41735132, 73721912, 83470264, 114771613, 147443824, 166940528, 229543226, 459086452, 918172904, 1262487743, 1836345808, 2524975486, 5049950972, 10099901944, 20199803888]

約数ペア:

[(1, 20199803888), (2, 10099901944), (4, 5049950972), (8, 2524975486), (11, 1836345808), (16, 1262487743), (22, 918172904), (44, 459086452), (88, 229543226), (121, 166940528), (137, 147443824), (176, 114771613), (242, 83470264), (274, 73721912), (484, 41735132), (548, 36860956), (968, 20867566), (1096, 18430478), (1507, 13403984), (1936, 10433783), (2192, 9215239), (3014, 6701992), (6028, 3350996), (12056, 1675498), (16577, 1218544), (24112, 837749), (33154, 609272), (66308, 304636), (76159, 265232), (132616, 152318)]