20149321168

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{661}}^1\times {\mathrm{4547}}^1$

素因数の和:5635

約数の個数: 40

約数和(自身を含む): 39200303520

約数和(自身を除く): 19050982352

約数列:

[1, 2, 4, 8, 16, 419, 661, 838, 1322, 1676, 2644, 3352, 4547, 5288, 6704, 9094, 10576, 18188, 36376, 72752, 276959, 553918, 1107836, 1905193, 2215672, 3005567, 3810386, 4431344, 6011134, 7620772, 12022268, 15241544, 24044536, 30483088, 48089072, 1259332573, 2518665146, 5037330292, 10074660584, 20149321168]

約数ペア:

[(1, 20149321168), (2, 10074660584), (4, 5037330292), (8, 2518665146), (16, 1259332573), (419, 48089072), (661, 30483088), (838, 24044536), (1322, 15241544), (1676, 12022268), (2644, 7620772), (3352, 6011134), (4547, 4431344), (5288, 3810386), (6704, 3005567), (9094, 2215672), (10576, 1905193), (18188, 1107836), (36376, 553918), (72752, 276959)]