20008907541

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1\times {\mathrm{8999}}^1$

素因数の和:10258

約数の個数: 48

約数和(自身を含む): 34201440000

約数和(自身を除く): 14192532459

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1217, 1827, 3651, 8519, 8999, 10953, 25557, 26997, 35293, 62993, 76671, 80991, 105879, 188979, 247051, 260971, 317637, 566937, 741153, 782913, 1826797, 2223459, 2348739, 5480391, 10951783, 16441173, 32855349, 76662481, 98566047, 229987443, 317601707, 689962329, 952805121, 2223211949, 2858415363, 6669635847, 20008907541]

約数ペア:

[(1, 20008907541), (3, 6669635847), (7, 2858415363), (9, 2223211949), (21, 952805121), (29, 689962329), (63, 317601707), (87, 229987443), (203, 98566047), (261, 76662481), (609, 32855349), (1217, 16441173), (1827, 10951783), (3651, 5480391), (8519, 2348739), (8999, 2223459), (10953, 1826797), (25557, 782913), (26997, 741153), (35293, 566937), (62993, 317637), (76671, 260971), (80991, 247051), (105879, 188979)]