20797247024

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1\times {\mathrm{2027}}^1$

素因数の和:2682

約数の個数: 80

約数和(自身を含む): 43400043648

約数和(自身を除く): 22602796624

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 536, 563, 1072, 1126, 1139, 2027, 2252, 2278, 4054, 4504, 4556, 8108, 9008, 9112, 9571, 16216, 18224, 19142, 32432, 34459, 37721, 38284, 68918, 75442, 76568, 135809, 137836, 150884, 153136, 271618, 275672, 301768, 543236, 551344, 603536, 641257, 1086472, 1141201, 1282514, 2172944, 2282402, 2308753, 2565028, 4564804, 4617506, 5130056, 9129608, 9235012, 10260112, 18259216, 18470024, 19400417, 36940048, 38800834, 76460467, 77601668, 152920934, 155203336, 305841868, 310406672, 611683736, 1223367472, 1299827939, 2599655878, 5199311756, 10398623512, 20797247024]

約数ペア:

[(1, 20797247024), (2, 10398623512), (4, 5199311756), (8, 2599655878), (16, 1299827939), (17, 1223367472), (34, 611683736), (67, 310406672), (68, 305841868), (134, 155203336), (136, 152920934), (268, 77601668), (272, 76460467), (536, 38800834), (563, 36940048), (1072, 19400417), (1126, 18470024), (1139, 18259216), (2027, 10260112), (2252, 9235012), (2278, 9129608), (4054, 5130056), (4504, 4617506), (4556, 4564804), (8108, 2565028), (9008, 2308753), (9112, 2282402), (9571, 2172944), (16216, 1282514), (18224, 1141201), (19142, 1086472), (32432, 641257), (34459, 603536), (37721, 551344), (38284, 543236), (68918, 301768), (75442, 275672), (76568, 271618), (135809, 153136), (137836, 150884)]