20163084487

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1\times {\mathrm{5869}}^1$

素因数の和:7895

約数の個数: 32

約数和(自身を含む): 26139814400

約数和(自身を除く): 5976729913

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 1987, 5869, 13909, 25831, 37753, 41083, 76297, 111511, 180817, 264271, 490789, 534079, 780577, 1449643, 3435523, 10147501, 11661703, 81631921, 151602139, 221572357, 1061214973, 1551006499, 2880440641, 20163084487]

約数ペア:

[(1, 20163084487), (7, 2880440641), (13, 1551006499), (19, 1061214973), (91, 221572357), (133, 151602139), (247, 81631921), (1729, 11661703), (1987, 10147501), (5869, 3435523), (13909, 1449643), (25831, 780577), (37753, 534079), (41083, 490789), (76297, 264271), (111511, 180817)]