20157736893

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{25561}}^1$

素因数の和:25682

約数の個数: 48

約数和(自身を含む): 33231417984

約数和(自身を除く): 13073681091

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 2209, 2397, 5593, 6627, 15463, 16779, 25561, 37553, 46389, 76683, 112659, 178927, 262871, 434537, 536781, 788613, 1201367, 1303611, 3041759, 3604101, 8409569, 9125277, 20423239, 25228707, 56464249, 61269717, 142962673, 169392747, 395249743, 428888019, 959892233, 1185749229, 2879676699, 6719245631, 20157736893]

約数ペア:

[(1, 20157736893), (3, 6719245631), (7, 2879676699), (17, 1185749229), (21, 959892233), (47, 428888019), (51, 395249743), (119, 169392747), (141, 142962673), (329, 61269717), (357, 56464249), (799, 25228707), (987, 20423239), (2209, 9125277), (2397, 8409569), (5593, 3604101), (6627, 3041759), (15463, 1303611), (16779, 1201367), (25561, 788613), (37553, 536781), (46389, 434537), (76683, 262871), (112659, 178927)]