20161619205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{20543}}^1$

素因数の和:21290

約数の個数: 64

約数和(自身を含む): 39760035840

約数和(自身を除く): 19598416635

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 719, 1365, 2157, 3595, 5033, 9347, 10785, 15099, 20543, 25165, 28041, 46735, 61629, 65429, 75495, 102715, 140205, 143801, 196287, 267059, 308145, 327145, 431403, 719005, 801177, 981435, 1335295, 1869413, 2157015, 4005885, 5608239, 9347065, 14770417, 28041195, 44311251, 73852085, 103392919, 192015421, 221556255, 310178757, 516964595, 576046263, 960077105, 1344107947, 1550893785, 2880231315, 4032323841, 6720539735, 20161619205]

約数ペア:

[(1, 20161619205), (3, 6720539735), (5, 4032323841), (7, 2880231315), (13, 1550893785), (15, 1344107947), (21, 960077105), (35, 576046263), (39, 516964595), (65, 310178757), (91, 221556255), (105, 192015421), (195, 103392919), (273, 73852085), (455, 44311251), (719, 28041195), (1365, 14770417), (2157, 9347065), (3595, 5608239), (5033, 4005885), (9347, 2157015), (10785, 1869413), (15099, 1335295), (20543, 981435), (25165, 801177), (28041, 719005), (46735, 431403), (61629, 327145), (65429, 308145), (75495, 267059), (102715, 196287), (140205, 143801)]