20210872785

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2843}}^1\times {\mathrm{12809}}^1$

素因数の和:15697

約数の個数: 32

約数和(自身を含む): 33225655680

約数和(自身を除く): 13014782895

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 2843, 8529, 12809, 14215, 38427, 42645, 64045, 105191, 192135, 315573, 473933, 525955, 1421799, 1577865, 2369665, 7108995, 36415987, 109247961, 182079935, 546239805, 1347391519, 4042174557, 6736957595, 20210872785]

約数ペア:

[(1, 20210872785), (3, 6736957595), (5, 4042174557), (15, 1347391519), (37, 546239805), (111, 182079935), (185, 109247961), (555, 36415987), (2843, 7108995), (8529, 2369665), (12809, 1577865), (14215, 1421799), (38427, 525955), (42645, 473933), (64045, 315573), (105191, 192135)]