20163926525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{2237}}^1$

素因数の和:2558

約数の個数: 48

約数和(自身を含む): 26854281216

約数和(自身を除く): 6690354691

約数列:

[1, 5, 17, 25, 85, 127, 167, 425, 635, 835, 2159, 2237, 2839, 3175, 4175, 10795, 11185, 14195, 21209, 38029, 53975, 55925, 70975, 106045, 190145, 284099, 360553, 373579, 530225, 950725, 1420495, 1802765, 1867895, 4829683, 6350843, 7102475, 9013825, 9339475, 24148415, 31754215, 47444533, 120742075, 158771075, 237222665, 806557061, 1186113325, 4032785305, 20163926525]

約数ペア:

[(1, 20163926525), (5, 4032785305), (17, 1186113325), (25, 806557061), (85, 237222665), (127, 158771075), (167, 120742075), (425, 47444533), (635, 31754215), (835, 24148415), (2159, 9339475), (2237, 9013825), (2839, 7102475), (3175, 6350843), (4175, 4829683), (10795, 1867895), (11185, 1802765), (14195, 1420495), (21209, 950725), (38029, 530225), (53975, 373579), (55925, 360553), (70975, 284099), (106045, 190145)]