20801475

素因数分解:

$3^3\times 5^2\times {\mathrm{30817}}^1$

素因数の和:30836

約数の個数: 24

約数和(自身を含む): 38214320

約数和(自身を除く): 17412845

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 30817, 92451, 154085, 277353, 462255, 770425, 832059, 1386765, 2311275, 4160295, 6933825, 20801475]

約数ペア:

[(1, 20801475), (3, 6933825), (5, 4160295), (9, 2311275), (15, 1386765), (25, 832059), (27, 770425), (45, 462255), (75, 277353), (135, 154085), (225, 92451), (675, 30817)]