20097807536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1\times {\mathrm{2017}}^1$

素因数の和:2566

約数の個数: 80

約数和(自身を含む): 41663628000

約数和(自身を除く): 21565820464

約数列:

[1, 2, 4, 8, 16, 19, 38, 73, 76, 146, 152, 292, 304, 449, 584, 898, 1168, 1387, 1796, 2017, 2774, 3592, 4034, 5548, 7184, 8068, 8531, 11096, 16136, 17062, 22192, 32272, 32777, 34124, 38323, 65554, 68248, 76646, 131108, 136496, 147241, 153292, 262216, 294482, 306584, 524432, 588964, 613168, 622763, 905633, 1177928, 1245526, 1811266, 2355856, 2491052, 2797579, 3622532, 4982104, 5595158, 7245064, 9964208, 11190316, 14490128, 17207027, 22380632, 34414054, 44761264, 66111209, 68828108, 132222418, 137656216, 264444836, 275312432, 528889672, 1057779344, 1256112971, 2512225942, 5024451884, 10048903768, 20097807536]

約数ペア:

[(1, 20097807536), (2, 10048903768), (4, 5024451884), (8, 2512225942), (16, 1256112971), (19, 1057779344), (38, 528889672), (73, 275312432), (76, 264444836), (146, 137656216), (152, 132222418), (292, 68828108), (304, 66111209), (449, 44761264), (584, 34414054), (898, 22380632), (1168, 17207027), (1387, 14490128), (1796, 11190316), (2017, 9964208), (2774, 7245064), (3592, 5595158), (4034, 4982104), (5548, 3622532), (7184, 2797579), (8068, 2491052), (8531, 2355856), (11096, 1811266), (16136, 1245526), (17062, 1177928), (22192, 905633), (32272, 622763), (32777, 613168), (34124, 588964), (38323, 524432), (65554, 306584), (68248, 294482), (76646, 262216), (131108, 153292), (136496, 147241)]