20188954352

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{252817}}^1$

素因数の和:252886

約数の個数: 80

約数和(自身を含む): 48152727552

約数和(自身を除く): 27963773200

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 46, 56, 62, 92, 112, 124, 161, 184, 217, 248, 322, 368, 434, 496, 644, 713, 868, 1288, 1426, 1736, 2576, 2852, 3472, 4991, 5704, 9982, 11408, 19964, 39928, 79856, 252817, 505634, 1011268, 1769719, 2022536, 3539438, 4045072, 5814791, 7078876, 7837327, 11629582, 14157752, 15674654, 23259164, 28315504, 31349308, 40703537, 46518328, 54861289, 62698616, 81407074, 93036656, 109722578, 125397232, 162814148, 180258521, 219445156, 325628296, 360517042, 438890312, 651256592, 721034084, 877780624, 1261809647, 1442068168, 2523619294, 2884136336, 5047238588, 10094477176, 20188954352]

約数ペア:

[(1, 20188954352), (2, 10094477176), (4, 5047238588), (7, 2884136336), (8, 2523619294), (14, 1442068168), (16, 1261809647), (23, 877780624), (28, 721034084), (31, 651256592), (46, 438890312), (56, 360517042), (62, 325628296), (92, 219445156), (112, 180258521), (124, 162814148), (161, 125397232), (184, 109722578), (217, 93036656), (248, 81407074), (322, 62698616), (368, 54861289), (434, 46518328), (496, 40703537), (644, 31349308), (713, 28315504), (868, 23259164), (1288, 15674654), (1426, 14157752), (1736, 11629582), (2576, 7837327), (2852, 7078876), (3472, 5814791), (4991, 4045072), (5704, 3539438), (9982, 2022536), (11408, 1769719), (19964, 1011268), (39928, 505634), (79856, 252817)]