20860675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2447}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 29140992

約数和(自身を除く): 8280317

約数列:

[1, 5, 11, 25, 31, 55, 155, 275, 341, 775, 1705, 2447, 8525, 12235, 26917, 61175, 75857, 134585, 379285, 672925, 834427, 1896425, 4172135, 20860675]

約数ペア:

[(1, 20860675), (5, 4172135), (11, 1896425), (25, 834427), (31, 672925), (55, 379285), (155, 134585), (275, 75857), (341, 61175), (775, 26917), (1705, 12235), (2447, 8525)]