20251998

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1697}}^1$

素因数の和:1738

約数の個数: 64

約数和(自身を含む): 51347520

約数和(自身を除く): 31095522

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 221, 234, 306, 351, 442, 459, 663, 702, 918, 1326, 1697, 1989, 3394, 3978, 5091, 5967, 10182, 11934, 15273, 22061, 28849, 30546, 44122, 45819, 57698, 66183, 86547, 91638, 132366, 173094, 198549, 259641, 375037, 397098, 519282, 595647, 750074, 778923, 1125111, 1191294, 1557846, 2250222, 3375333, 6750666, 10125999, 20251998]

約数ペア:

[(1, 20251998), (2, 10125999), (3, 6750666), (6, 3375333), (9, 2250222), (13, 1557846), (17, 1191294), (18, 1125111), (26, 778923), (27, 750074), (34, 595647), (39, 519282), (51, 397098), (54, 375037), (78, 259641), (102, 198549), (117, 173094), (153, 132366), (221, 91638), (234, 86547), (306, 66183), (351, 57698), (442, 45819), (459, 44122), (663, 30546), (702, 28849), (918, 22061), (1326, 15273), (1697, 11934), (1989, 10182), (3394, 5967), (3978, 5091)]