20980512

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{3469}}^1$

素因数の和:3495

約数の個数: 96

約数和(自身を含む): 69955200

約数和(自身を除く): 48974688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 96, 108, 112, 126, 144, 168, 189, 216, 224, 252, 288, 336, 378, 432, 504, 672, 756, 864, 1008, 1512, 2016, 3024, 3469, 6048, 6938, 10407, 13876, 20814, 24283, 27752, 31221, 41628, 48566, 55504, 62442, 72849, 83256, 93663, 97132, 111008, 124884, 145698, 166512, 187326, 194264, 218547, 249768, 291396, 333024, 374652, 388528, 437094, 499536, 582792, 655641, 749304, 777056, 874188, 999072, 1165584, 1311282, 1498608, 1748376, 2331168, 2622564, 2997216, 3496752, 5245128, 6993504, 10490256, 20980512]

約数ペア:

[(1, 20980512), (2, 10490256), (3, 6993504), (4, 5245128), (6, 3496752), (7, 2997216), (8, 2622564), (9, 2331168), (12, 1748376), (14, 1498608), (16, 1311282), (18, 1165584), (21, 999072), (24, 874188), (27, 777056), (28, 749304), (32, 655641), (36, 582792), (42, 499536), (48, 437094), (54, 388528), (56, 374652), (63, 333024), (72, 291396), (84, 249768), (96, 218547), (108, 194264), (112, 187326), (126, 166512), (144, 145698), (168, 124884), (189, 111008), (216, 97132), (224, 93663), (252, 83256), (288, 72849), (336, 62442), (378, 55504), (432, 48566), (504, 41628), (672, 31221), (756, 27752), (864, 24283), (1008, 20814), (1512, 13876), (2016, 10407), (3024, 6938), (3469, 6048)]