20321808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1123}}^1$

素因数の和:1176

約数の個数: 80

約数和(自身を含む): 58537920

約数和(自身を除く): 38216112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 39, 48, 52, 58, 78, 87, 104, 116, 156, 174, 208, 232, 312, 348, 377, 464, 624, 696, 754, 1123, 1131, 1392, 1508, 2246, 2262, 3016, 3369, 4492, 4524, 6032, 6738, 8984, 9048, 13476, 14599, 17968, 18096, 26952, 29198, 32567, 43797, 53904, 58396, 65134, 87594, 97701, 116792, 130268, 175188, 195402, 233584, 260536, 350376, 390804, 423371, 521072, 700752, 781608, 846742, 1270113, 1563216, 1693484, 2540226, 3386968, 5080452, 6773936, 10160904, 20321808]

約数ペア:

[(1, 20321808), (2, 10160904), (3, 6773936), (4, 5080452), (6, 3386968), (8, 2540226), (12, 1693484), (13, 1563216), (16, 1270113), (24, 846742), (26, 781608), (29, 700752), (39, 521072), (48, 423371), (52, 390804), (58, 350376), (78, 260536), (87, 233584), (104, 195402), (116, 175188), (156, 130268), (174, 116792), (208, 97701), (232, 87594), (312, 65134), (348, 58396), (377, 53904), (464, 43797), (624, 32567), (696, 29198), (754, 26952), (1123, 18096), (1131, 17968), (1392, 14599), (1508, 13476), (2246, 9048), (2262, 8984), (3016, 6738), (3369, 6032), (4492, 4524)]