20265518

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15907}}^1$

素因数の和:15936

約数の個数: 24

約数和(自身を含む): 38083752

約数和(自身を除く): 17818234

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 15907, 31814, 111349, 206791, 222698, 413582, 779443, 1447537, 1558886, 2895074, 10132759, 20265518]

約数ペア:

[(1, 20265518), (2, 10132759), (7, 2895074), (13, 1558886), (14, 1447537), (26, 779443), (49, 413582), (91, 222698), (98, 206791), (182, 111349), (637, 31814), (1274, 15907)]