20121569892987

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1\times {\mathrm{80989}}^1$

素因数の和:81596

約数の個数: 64

約数和(自身を含む): 28978196083200

約数和(自身を除く): 8856626190213

約数列:

[1, 3, 17, 51, 101, 139, 303, 347, 417, 1041, 1717, 2363, 5151, 5899, 7089, 14039, 17697, 35047, 42117, 48233, 80989, 105141, 144699, 238663, 242967, 595799, 715989, 819961, 1376813, 1787397, 2459883, 4130439, 4871533, 8179889, 11257471, 14614599, 24539667, 28103183, 33772413, 82816061, 84309549, 139058113, 191377007, 248448183, 417174339, 477754111, 574131021, 1137004571, 1433262333, 2838421483, 3411013713, 3906342437, 8515264449, 11719027311, 19329077707, 48253165211, 57987233121, 66407821429, 144759495633, 199223464287, 394540586137, 1183621758411, 6707189964329, 20121569892987]

約数ペア:

[(1, 20121569892987), (3, 6707189964329), (17, 1183621758411), (51, 394540586137), (101, 199223464287), (139, 144759495633), (303, 66407821429), (347, 57987233121), (417, 48253165211), (1041, 19329077707), (1717, 11719027311), (2363, 8515264449), (5151, 3906342437), (5899, 3411013713), (7089, 2838421483), (14039, 1433262333), (17697, 1137004571), (35047, 574131021), (42117, 477754111), (48233, 417174339), (80989, 248448183), (105141, 191377007), (144699, 139058113), (238663, 84309549), (242967, 82816061), (595799, 33772413), (715989, 28103183), (819961, 24539667), (1376813, 14614599), (1787397, 11257471), (2459883, 8179889), (4130439, 4871533)]