20971560964

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{421}}^1\times {\mathrm{120907}}^1$

素因数の和:121435

約数の個数: 24

約数和(自身を含む): 37144872128

約数和(自身を除く): 16173311164

約数列:

[1, 2, 4, 103, 206, 412, 421, 842, 1684, 43363, 86726, 120907, 173452, 241814, 483628, 12453421, 24906842, 49813684, 50901847, 101803694, 203607388, 5242890241, 10485780482, 20971560964]

約数ペア:

[(1, 20971560964), (2, 10485780482), (4, 5242890241), (103, 203607388), (206, 101803694), (412, 50901847), (421, 49813684), (842, 24906842), (1684, 12453421), (43363, 483628), (86726, 241814), (120907, 173452)]