20147322455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{256801}}^1$

素因数の和:256907

約数の個数: 32

約数和(自身を含む): 27956492928

約数和(自身を除く): 7809170473

約数列:

[1, 5, 13, 17, 65, 71, 85, 221, 355, 923, 1105, 1207, 4615, 6035, 15691, 78455, 256801, 1284005, 3338413, 4365617, 16692065, 18232871, 21828085, 56753021, 91164355, 237027323, 283765105, 309958807, 1185136615, 1549794035, 4029464491, 20147322455]

約数ペア:

[(1, 20147322455), (5, 4029464491), (13, 1549794035), (17, 1185136615), (65, 309958807), (71, 283765105), (85, 237027323), (221, 91164355), (355, 56753021), (923, 21828085), (1105, 18232871), (1207, 16692065), (4615, 4365617), (6035, 3338413), (15691, 1284005), (78455, 256801)]