20170251955

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1042121}}^1$

素因数の和:1042219

約数の個数: 24

約数和(自身を含む): 28512457920

約数和(自身を除く): 8342205965

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 2765, 3871, 19355, 1042121, 5210605, 7294847, 36474235, 51063929, 82327559, 255319645, 411637795, 576292913, 2881464565, 4034050391, 20170251955]

約数ペア:

[(1, 20170251955), (5, 4034050391), (7, 2881464565), (35, 576292913), (49, 411637795), (79, 255319645), (245, 82327559), (395, 51063929), (553, 36474235), (2765, 7294847), (3871, 5210605), (19355, 1042121)]