20170048145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{20411}}^1$

素因数の和:21113

約数の個数: 32

約数和(自身を含む): 27241691904

約数和(自身を除く): 7071643759

約数列:

[1, 5, 13, 23, 65, 115, 299, 661, 1495, 3305, 8593, 15203, 20411, 42965, 76015, 102055, 197639, 265343, 469453, 988195, 1326715, 2347265, 6102889, 13491671, 30514445, 67458355, 175391723, 310308433, 876958615, 1551542165, 4034009629, 20170048145]

約数ペア:

[(1, 20170048145), (5, 4034009629), (13, 1551542165), (23, 876958615), (65, 310308433), (115, 175391723), (299, 67458355), (661, 30514445), (1495, 13491671), (3305, 6102889), (8593, 2347265), (15203, 1326715), (20411, 988195), (42965, 469453), (76015, 265343), (102055, 197639)]