20193765135

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{71317}}^1$

素因数の和:71807

約数の個数: 32

約数和(自身を含む): 33137195520

約数和(自身を除く): 12943430385

約数列:

[1, 3, 5, 15, 43, 129, 215, 439, 645, 1317, 2195, 6585, 18877, 56631, 71317, 94385, 213951, 283155, 356585, 1069755, 3066631, 9199893, 15333155, 31308163, 45999465, 93924489, 156540815, 469622445, 1346251009, 4038753027, 6731255045, 20193765135]

約数ペア:

[(1, 20193765135), (3, 6731255045), (5, 4038753027), (15, 1346251009), (43, 469622445), (129, 156540815), (215, 93924489), (439, 45999465), (645, 31308163), (1317, 15333155), (2195, 9199893), (6585, 3066631), (18877, 1069755), (56631, 356585), (71317, 283155), (94385, 213951)]