20173480192

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{20743}}^1$

素因数の和:20919

約数の個数: 72

約数和(自身を含む): 41976728640

約数和(自身を除く): 21803248448

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 131, 232, 256, 262, 464, 524, 928, 1048, 1856, 2096, 3712, 3799, 4192, 7424, 7598, 8384, 15196, 16768, 20743, 30392, 33536, 41486, 60784, 82972, 121568, 165944, 243136, 331888, 486272, 601547, 663776, 972544, 1203094, 1327552, 2406188, 2655104, 2717333, 4812376, 5310208, 5434666, 9624752, 10869332, 19249504, 21738664, 38499008, 43477328, 76998016, 78802657, 86954656, 153996032, 157605314, 173909312, 315210628, 347818624, 630421256, 695637248, 1260842512, 2521685024, 5043370048, 10086740096, 20173480192]

約数ペア:

[(1, 20173480192), (2, 10086740096), (4, 5043370048), (8, 2521685024), (16, 1260842512), (29, 695637248), (32, 630421256), (58, 347818624), (64, 315210628), (116, 173909312), (128, 157605314), (131, 153996032), (232, 86954656), (256, 78802657), (262, 76998016), (464, 43477328), (524, 38499008), (928, 21738664), (1048, 19249504), (1856, 10869332), (2096, 9624752), (3712, 5434666), (3799, 5310208), (4192, 4812376), (7424, 2717333), (7598, 2655104), (8384, 2406188), (15196, 1327552), (16768, 1203094), (20743, 972544), (30392, 663776), (33536, 601547), (41486, 486272), (60784, 331888), (82972, 243136), (121568, 165944)]