20173881348

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1\times {\mathrm{593}}^1$

素因数の和:1034

約数の個数: 144

約数和(自身を含む): 53832594816

約数和(自身を除く): 33658713468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 181, 207, 227, 276, 362, 414, 454, 543, 593, 681, 724, 828, 908, 1086, 1186, 1362, 1629, 1779, 2043, 2172, 2372, 2724, 3258, 3558, 4086, 4163, 5221, 5337, 6516, 7116, 8172, 8326, 10442, 10674, 12489, 13639, 15663, 16652, 20884, 21348, 24978, 27278, 31326, 37467, 40917, 41087, 46989, 49956, 54556, 62652, 74934, 81834, 82174, 93978, 107333, 122751, 123261, 134611, 149868, 163668, 164348, 187956, 214666, 245502, 246522, 269222, 321999, 369783, 403833, 429332, 491004, 493044, 538444, 643998, 739566, 807666, 945001, 965997, 1211499, 1287996, 1479132, 1615332, 1890002, 1931994, 2422998, 2468659, 2835003, 3096053, 3780004, 3863988, 4845996, 4937318, 5670006, 6192106, 7405977, 8505009, 9288159, 9874636, 11340012, 12384212, 14811954, 17010018, 18576318, 22217931, 24364591, 27864477, 29623908, 34020036, 37152636, 44435862, 48729182, 55728954, 73093773, 88871724, 97458364, 111457908, 146187546, 219281319, 292375092, 438562638, 560385593, 877125276, 1120771186, 1681156779, 2241542372, 3362313558, 5043470337, 6724627116, 10086940674, 20173881348]

約数ペア:

[(1, 20173881348), (2, 10086940674), (3, 6724627116), (4, 5043470337), (6, 3362313558), (9, 2241542372), (12, 1681156779), (18, 1120771186), (23, 877125276), (36, 560385593), (46, 438562638), (69, 292375092), (92, 219281319), (138, 146187546), (181, 111457908), (207, 97458364), (227, 88871724), (276, 73093773), (362, 55728954), (414, 48729182), (454, 44435862), (543, 37152636), (593, 34020036), (681, 29623908), (724, 27864477), (828, 24364591), (908, 22217931), (1086, 18576318), (1186, 17010018), (1362, 14811954), (1629, 12384212), (1779, 11340012), (2043, 9874636), (2172, 9288159), (2372, 8505009), (2724, 7405977), (3258, 6192106), (3558, 5670006), (4086, 4937318), (4163, 4845996), (5221, 3863988), (5337, 3780004), (6516, 3096053), (7116, 2835003), (8172, 2468659), (8326, 2422998), (10442, 1931994), (10674, 1890002), (12489, 1615332), (13639, 1479132), (15663, 1287996), (16652, 1211499), (20884, 965997), (21348, 945001), (24978, 807666), (27278, 739566), (31326, 643998), (37467, 538444), (40917, 493044), (41087, 491004), (46989, 429332), (49956, 403833), (54556, 369783), (62652, 321999), (74934, 269222), (81834, 246522), (82174, 245502), (93978, 214666), (107333, 187956), (122751, 164348), (123261, 163668), (134611, 149868)]