20064564992

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{8629}}^1$

素因数の和:8969

約数の個数: 72

約数和(自身を含む): 41488621440

約数和(自身を除く): 21424056448

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 293, 496, 586, 992, 1172, 1984, 2344, 3968, 4688, 7936, 8629, 9083, 9376, 17258, 18166, 18752, 34516, 36332, 37504, 69032, 72664, 75008, 138064, 145328, 267499, 276128, 290656, 534998, 552256, 581312, 1069996, 1104512, 1162624, 2139992, 2209024, 2325248, 2528297, 4279984, 5056594, 8559968, 10113188, 17119936, 20226376, 34239872, 40452752, 68479744, 78377207, 80905504, 156754414, 161811008, 313508828, 323622016, 627017656, 647244032, 1254035312, 2508070624, 5016141248, 10032282496, 20064564992]

約数ペア:

[(1, 20064564992), (2, 10032282496), (4, 5016141248), (8, 2508070624), (16, 1254035312), (31, 647244032), (32, 627017656), (62, 323622016), (64, 313508828), (124, 161811008), (128, 156754414), (248, 80905504), (256, 78377207), (293, 68479744), (496, 40452752), (586, 34239872), (992, 20226376), (1172, 17119936), (1984, 10113188), (2344, 8559968), (3968, 5056594), (4688, 4279984), (7936, 2528297), (8629, 2325248), (9083, 2209024), (9376, 2139992), (17258, 1162624), (18166, 1104512), (18752, 1069996), (34516, 581312), (36332, 552256), (37504, 534998), (69032, 290656), (72664, 276128), (75008, 267499), (138064, 145328)]