20662560

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4783}}^1$

素因数の和:4807

約数の個数: 96

約数和(自身を含む): 72334080

約数和(自身を除く): 51671520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4783, 9566, 14349, 19132, 23915, 28698, 38264, 43047, 47830, 57396, 71745, 76528, 86094, 95660, 114792, 129141, 143490, 153056, 172188, 191320, 215235, 229584, 258282, 286980, 344376, 382640, 430470, 459168, 516564, 573960, 645705, 688752, 765280, 860940, 1033128, 1147920, 1291410, 1377504, 1721880, 2066256, 2295840, 2582820, 3443760, 4132512, 5165640, 6887520, 10331280, 20662560]

約数ペア:

[(1, 20662560), (2, 10331280), (3, 6887520), (4, 5165640), (5, 4132512), (6, 3443760), (8, 2582820), (9, 2295840), (10, 2066256), (12, 1721880), (15, 1377504), (16, 1291410), (18, 1147920), (20, 1033128), (24, 860940), (27, 765280), (30, 688752), (32, 645705), (36, 573960), (40, 516564), (45, 459168), (48, 430470), (54, 382640), (60, 344376), (72, 286980), (80, 258282), (90, 229584), (96, 215235), (108, 191320), (120, 172188), (135, 153056), (144, 143490), (160, 129141), (180, 114792), (216, 95660), (240, 86094), (270, 76528), (288, 71745), (360, 57396), (432, 47830), (480, 43047), (540, 38264), (720, 28698), (864, 23915), (1080, 19132), (1440, 14349), (2160, 9566), (4320, 4783)]