20163883753

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{4549}}^1$

素因数の和:5257

約数の個数: 32

約数和(自身を含む): 23775897600

約数和(自身を除く): 3612013847

約数列:

[1, 13, 17, 31, 221, 403, 527, 647, 4549, 6851, 8411, 10999, 20057, 59137, 77333, 141019, 142987, 260741, 340969, 1005329, 1833247, 2397323, 2943203, 4432597, 31165199, 38261639, 50034451, 91239293, 650447863, 1186110809, 1551067981, 20163883753]

約数ペア:

[(1, 20163883753), (13, 1551067981), (17, 1186110809), (31, 650447863), (221, 91239293), (403, 50034451), (527, 38261639), (647, 31165199), (4549, 4432597), (6851, 2943203), (8411, 2397323), (10999, 1833247), (20057, 1005329), (59137, 340969), (77333, 260741), (141019, 142987)]