20456077815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1\times {\mathrm{16619}}^1$

素因数の和:18256

約数の個数: 48

約数和(自身を含む): 37568512800

約数和(自身を除く): 17112434985

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1609, 4827, 8045, 14481, 16619, 24135, 27353, 49857, 72405, 82059, 83095, 136765, 149571, 246177, 249285, 282523, 410295, 747855, 847569, 1230885, 1412615, 2542707, 4237845, 12713535, 26739971, 80219913, 133699855, 240659739, 401099565, 454579507, 1203298695, 1363738521, 2272897535, 4091215563, 6818692605, 20456077815]

約数ペア:

[(1, 20456077815), (3, 6818692605), (5, 4091215563), (9, 2272897535), (15, 1363738521), (17, 1203298695), (45, 454579507), (51, 401099565), (85, 240659739), (153, 133699855), (255, 80219913), (765, 26739971), (1609, 12713535), (4827, 4237845), (8045, 2542707), (14481, 1412615), (16619, 1230885), (24135, 847569), (27353, 747855), (49857, 410295), (72405, 282523), (82059, 249285), (83095, 246177), (136765, 149571)]