20787648825

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{35027}}^1$

素因数の和:35274

約数の個数: 48

約数和(自身を含む): 35390609856

約数和(自身を除く): 14602961031

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 193, 205, 579, 615, 965, 1025, 2895, 3075, 4825, 7913, 14475, 23739, 35027, 39565, 105081, 118695, 175135, 197825, 525405, 593475, 875675, 1436107, 2627025, 4308321, 6760211, 7180535, 20280633, 21541605, 33801055, 35902675, 101403165, 107708025, 169005275, 277168651, 507015825, 831505953, 1385843255, 4157529765, 6929216275, 20787648825]

約数ペア:

[(1, 20787648825), (3, 6929216275), (5, 4157529765), (15, 1385843255), (25, 831505953), (41, 507015825), (75, 277168651), (123, 169005275), (193, 107708025), (205, 101403165), (579, 35902675), (615, 33801055), (965, 21541605), (1025, 20280633), (2895, 7180535), (3075, 6760211), (4825, 4308321), (7913, 2627025), (14475, 1436107), (23739, 875675), (35027, 593475), (39565, 525405), (105081, 197825), (118695, 175135)]