20707764868

素因数分解:

$2^2\times 7^1\times {\mathrm{71879}}^1\times {\mathrm{10289}}^1$

素因数の和:82179

約数の個数: 24

約数和(自身を含む): 41420131200

約数和(自身を除く): 20712366332

約数列:

[1, 2, 4, 7, 14, 28, 10289, 20578, 41156, 71879, 72023, 143758, 144046, 287516, 288092, 503153, 1006306, 2012612, 739563031, 1479126062, 2958252124, 5176941217, 10353882434, 20707764868]

約数ペア:

[(1, 20707764868), (2, 10353882434), (4, 5176941217), (7, 2958252124), (14, 1479126062), (28, 739563031), (10289, 2012612), (20578, 1006306), (41156, 503153), (71879, 288092), (72023, 287516), (143758, 144046)]