20565854907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{4049}}^1$

素因数の和:4292

約数の個数: 64

約数和(自身を含む): 32136652800

約数和(自身を除く): 11570797893

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 163, 221, 489, 611, 663, 799, 1833, 2119, 2397, 2771, 4049, 6357, 7661, 8313, 10387, 12147, 22983, 31161, 36023, 52637, 68833, 99593, 108069, 130237, 157911, 190303, 206499, 298779, 390711, 570909, 659987, 894829, 1693081, 1979961, 2473939, 2684487, 3235151, 5079243, 7421817, 8579831, 9705453, 11219779, 25739493, 31019389, 33659337, 42056963, 93058167, 126170889, 145857127, 403252057, 437571381, 527329613, 1209756171, 1581988839, 6855284969, 20565854907]

約数ペア:

[(1, 20565854907), (3, 6855284969), (13, 1581988839), (17, 1209756171), (39, 527329613), (47, 437571381), (51, 403252057), (141, 145857127), (163, 126170889), (221, 93058167), (489, 42056963), (611, 33659337), (663, 31019389), (799, 25739493), (1833, 11219779), (2119, 9705453), (2397, 8579831), (2771, 7421817), (4049, 5079243), (6357, 3235151), (7661, 2684487), (8313, 2473939), (10387, 1979961), (12147, 1693081), (22983, 894829), (31161, 659987), (36023, 570909), (52637, 390711), (68833, 298779), (99593, 206499), (108069, 190303), (130237, 157911)]