20169966544

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{52673}}^1$

素因数の和:52964

約数の個数: 80

約数和(自身を含む): 48281409792

約数和(自身を除く): 28111443248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 263, 364, 526, 728, 1052, 1456, 1841, 2104, 3419, 3682, 4208, 6838, 7364, 13676, 14728, 23933, 27352, 29456, 47866, 52673, 54704, 95732, 105346, 191464, 210692, 368711, 382928, 421384, 684749, 737422, 842768, 1369498, 1474844, 2738996, 2949688, 4793243, 5477992, 5899376, 9586486, 10955984, 13852999, 19172972, 27705998, 38345944, 55411996, 76691888, 96970993, 110823992, 180088987, 193941986, 221647984, 360177974, 387883972, 720355948, 775767944, 1260622909, 1440711896, 1551535888, 2521245818, 2881423792, 5042491636, 10084983272, 20169966544]

約数ペア:

[(1, 20169966544), (2, 10084983272), (4, 5042491636), (7, 2881423792), (8, 2521245818), (13, 1551535888), (14, 1440711896), (16, 1260622909), (26, 775767944), (28, 720355948), (52, 387883972), (56, 360177974), (91, 221647984), (104, 193941986), (112, 180088987), (182, 110823992), (208, 96970993), (263, 76691888), (364, 55411996), (526, 38345944), (728, 27705998), (1052, 19172972), (1456, 13852999), (1841, 10955984), (2104, 9586486), (3419, 5899376), (3682, 5477992), (4208, 4793243), (6838, 2949688), (7364, 2738996), (13676, 1474844), (14728, 1369498), (23933, 842768), (27352, 737422), (29456, 684749), (47866, 421384), (52673, 382928), (54704, 368711), (95732, 210692), (105346, 191464)]