20195385315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{304813}}^1$

素因数の和:305459

約数の個数: 32

約数和(自身を含む): 36987350016

約数和(自身を除く): 16791964701

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 631, 1893, 3155, 4417, 9465, 13251, 22085, 66255, 304813, 914439, 1524065, 2133691, 4572195, 6401073, 10668455, 32005365, 192337003, 577011009, 961685015, 1346359021, 2885055045, 4039077063, 6731795105, 20195385315]

約数ペア:

[(1, 20195385315), (3, 6731795105), (5, 4039077063), (7, 2885055045), (15, 1346359021), (21, 961685015), (35, 577011009), (105, 192337003), (631, 32005365), (1893, 10668455), (3155, 6401073), (4417, 4572195), (9465, 2133691), (13251, 1524065), (22085, 914439), (66255, 304813)]