20925038127

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1693}}^1\times {\mathrm{15907}}^1$

素因数の和:17647

約数の個数: 32

約数和(自身を含む): 32768952832

約数和(自身を除く): 11843914705

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 1693, 5079, 11851, 15907, 35553, 47721, 62641, 111349, 187923, 334047, 438487, 588559, 1315461, 1765677, 4119913, 12359739, 26930551, 80791653, 188513857, 565541571, 996430387, 2989291161, 6975012709, 20925038127]

約数ペア:

[(1, 20925038127), (3, 6975012709), (7, 2989291161), (21, 996430387), (37, 565541571), (111, 188513857), (259, 80791653), (777, 26930551), (1693, 12359739), (5079, 4119913), (11851, 1765677), (15907, 1315461), (35553, 588559), (47721, 438487), (62641, 334047), (111349, 187923)]