20859867847

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1\times {\mathrm{6151}}^1$

素因数の和:6703

約数の個数: 32

約数和(自身を含む): 26045107200

約数和(自身を除く): 5185239353

約数列:

[1, 7, 13, 83, 91, 449, 581, 1079, 3143, 5837, 6151, 7553, 37267, 40859, 43057, 79963, 260869, 484471, 510533, 559741, 2761799, 3391297, 3573731, 6636929, 19332593, 35903387, 46458503, 229229317, 251323709, 1604605219, 2979981121, 20859867847]

約数ペア:

[(1, 20859867847), (7, 2979981121), (13, 1604605219), (83, 251323709), (91, 229229317), (449, 46458503), (581, 35903387), (1079, 19332593), (3143, 6636929), (5837, 3573731), (6151, 3391297), (7553, 2761799), (37267, 559741), (40859, 510533), (43057, 484471), (79963, 260869)]