20315016

素因数分解:

$2^3\times 3^3\times {\mathrm{163}}^1\times {\mathrm{577}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 56875200

約数和(自身を除く): 36560184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 163, 216, 326, 489, 577, 652, 978, 1154, 1304, 1467, 1731, 1956, 2308, 2934, 3462, 3912, 4401, 4616, 5193, 5868, 6924, 8802, 10386, 11736, 13848, 15579, 17604, 20772, 31158, 35208, 41544, 62316, 94051, 124632, 188102, 282153, 376204, 564306, 752408, 846459, 1128612, 1692918, 2257224, 2539377, 3385836, 5078754, 6771672, 10157508, 20315016]

約数ペア:

[(1, 20315016), (2, 10157508), (3, 6771672), (4, 5078754), (6, 3385836), (8, 2539377), (9, 2257224), (12, 1692918), (18, 1128612), (24, 846459), (27, 752408), (36, 564306), (54, 376204), (72, 282153), (108, 188102), (163, 124632), (216, 94051), (326, 62316), (489, 41544), (577, 35208), (652, 31158), (978, 20772), (1154, 17604), (1304, 15579), (1467, 13848), (1731, 11736), (1956, 10386), (2308, 8802), (2934, 6924), (3462, 5868), (3912, 5193), (4401, 4616)]