20195415

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{467}}^1$

素因数の和:540

約数の個数: 36

約数和(自身を含む): 36248472

約数和(自身を除く): 16053057

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 467, 961, 1395, 1401, 2335, 2883, 4203, 4805, 7005, 8649, 14415, 14477, 21015, 43245, 43431, 72385, 130293, 217155, 448787, 651465, 1346361, 2243935, 4039083, 6731805, 20195415]

約数ペア:

[(1, 20195415), (3, 6731805), (5, 4039083), (9, 2243935), (15, 1346361), (31, 651465), (45, 448787), (93, 217155), (155, 130293), (279, 72385), (465, 43431), (467, 43245), (961, 21015), (1395, 14477), (1401, 14415), (2335, 8649), (2883, 7005), (4203, 4805)]