20189749683

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1\times {\mathrm{1993}}^1$

素因数の和:2535

約数の個数: 32

約数和(自身を含む): 27611572032

約数和(自身を除く): 7421822349

約数列:

[1, 3, 61, 183, 197, 281, 591, 843, 1993, 5979, 12017, 17141, 36051, 51423, 55357, 121573, 166071, 364719, 392621, 560033, 1177863, 1680099, 3376777, 10130331, 23949881, 34162013, 71849643, 102486039, 110326501, 330979503, 6729916561, 20189749683]

約数ペア:

[(1, 20189749683), (3, 6729916561), (61, 330979503), (183, 110326501), (197, 102486039), (281, 71849643), (591, 34162013), (843, 23949881), (1993, 10130331), (5979, 3376777), (12017, 1680099), (17141, 1177863), (36051, 560033), (51423, 392621), (55357, 364719), (121573, 166071)]