20179894911

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{405781}}^1$

素因数の和:405943

約数の個数: 24

約数和(自身を含む): 29790891312

約数和(自身を除く): 9610996401

約数列:

[1, 3, 11, 33, 121, 137, 363, 411, 1507, 4521, 16577, 49731, 405781, 1217343, 4463591, 13390773, 49099501, 55591997, 147298503, 166775991, 611511967, 1834535901, 6726631637, 20179894911]

約数ペア:

[(1, 20179894911), (3, 6726631637), (11, 1834535901), (33, 611511967), (121, 166775991), (137, 147298503), (363, 55591997), (411, 49099501), (1507, 13390773), (4521, 4463591), (16577, 1217343), (49731, 405781)]