20139894

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 27138186

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 53, 54, 62, 93, 106, 159, 186, 227, 279, 318, 454, 477, 558, 681, 837, 954, 1362, 1431, 1643, 1674, 2043, 2862, 3286, 4086, 4929, 6129, 7037, 9858, 12031, 12258, 14074, 14787, 21111, 24062, 29574, 36093, 42222, 44361, 63333, 72186, 88722, 108279, 126666, 189999, 216558, 324837, 372961, 379998, 649674, 745922, 1118883, 2237766, 3356649, 6713298, 10069947, 20139894]

約数ペア:

[(1, 20139894), (2, 10069947), (3, 6713298), (6, 3356649), (9, 2237766), (18, 1118883), (27, 745922), (31, 649674), (53, 379998), (54, 372961), (62, 324837), (93, 216558), (106, 189999), (159, 126666), (186, 108279), (227, 88722), (279, 72186), (318, 63333), (454, 44361), (477, 42222), (558, 36093), (681, 29574), (837, 24062), (954, 21111), (1362, 14787), (1431, 14074), (1643, 12258), (1674, 12031), (2043, 9858), (2862, 7037), (3286, 6129), (4086, 4929)]