20197214973

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{22123}}^1$

素因数の和:22185

約数の個数: 72

約数和(自身を含む): 34612378528

約数和(自身を除く): 14415163555

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 243, 289, 351, 459, 663, 867, 1053, 1377, 1989, 2601, 3159, 3757, 4131, 5967, 7803, 11271, 17901, 22123, 23409, 33813, 53703, 66369, 70227, 101439, 199107, 287599, 304317, 376091, 597321, 862797, 912951, 1128273, 1791963, 2588391, 3384819, 4889183, 5375889, 6393547, 7765173, 10154457, 14667549, 19180641, 23295519, 30463371, 44002647, 57541923, 69886557, 83116111, 91390113, 132007941, 172625769, 249348333, 396023823, 517877307, 748044999, 1188071469, 1553631921, 2244134997, 6732404991, 20197214973]

約数ペア:

[(1, 20197214973), (3, 6732404991), (9, 2244134997), (13, 1553631921), (17, 1188071469), (27, 748044999), (39, 517877307), (51, 396023823), (81, 249348333), (117, 172625769), (153, 132007941), (221, 91390113), (243, 83116111), (289, 69886557), (351, 57541923), (459, 44002647), (663, 30463371), (867, 23295519), (1053, 19180641), (1377, 14667549), (1989, 10154457), (2601, 7765173), (3159, 6393547), (3757, 5375889), (4131, 4889183), (5967, 3384819), (7803, 2588391), (11271, 1791963), (17901, 1128273), (22123, 912951), (23409, 862797), (33813, 597321), (53703, 376091), (66369, 304317), (70227, 287599), (101439, 199107)]