20167562275

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{60943}}^1$

素因数の和:61052

約数の個数: 48

約数和(自身を含む): 29986398208

約数和(自身を除く): 9818835933

約数列:

[1, 5, 7, 25, 31, 35, 61, 155, 175, 217, 305, 427, 775, 1085, 1525, 1891, 2135, 5425, 9455, 10675, 13237, 47275, 60943, 66185, 304715, 330925, 426601, 1523575, 1889233, 2133005, 3717523, 9446165, 10665025, 13224631, 18587615, 26022661, 47230825, 66123155, 92938075, 115243213, 130113305, 330615775, 576216065, 650566525, 806702491, 2881080325, 4033512455, 20167562275]

約数ペア:

[(1, 20167562275), (5, 4033512455), (7, 2881080325), (25, 806702491), (31, 650566525), (35, 576216065), (61, 330615775), (155, 130113305), (175, 115243213), (217, 92938075), (305, 66123155), (427, 47230825), (775, 26022661), (1085, 18587615), (1525, 13224631), (1891, 10665025), (2135, 9446165), (5425, 3717523), (9455, 2133005), (10675, 1889233), (13237, 1523575), (47275, 426601), (60943, 330925), (66185, 304715)]