20786061720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{30871}}^1$

素因数の和:31097

約数の個数: 128

約数和(自身を含む): 64727470080

約数和(自身を除く): 43941408360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 181, 186, 248, 310, 362, 372, 465, 543, 620, 724, 744, 905, 930, 1086, 1240, 1448, 1810, 1860, 2172, 2715, 3620, 3720, 4344, 5430, 5611, 7240, 10860, 11222, 16833, 21720, 22444, 28055, 30871, 33666, 44888, 56110, 61742, 67332, 84165, 92613, 112220, 123484, 134664, 154355, 168330, 185226, 224440, 246968, 308710, 336660, 370452, 463065, 617420, 673320, 740904, 926130, 957001, 1234840, 1852260, 1914002, 2871003, 3704520, 3828004, 4785005, 5587651, 5742006, 7656008, 9570010, 11175302, 11484012, 14355015, 16762953, 19140020, 22350604, 22968024, 27938255, 28710030, 33525906, 38280040, 44701208, 55876510, 57420060, 67051812, 83814765, 111753020, 114840120, 134103624, 167629530, 173217181, 223506040, 335259060, 346434362, 519651543, 670518120, 692868724, 866085905, 1039303086, 1385737448, 1732171810, 2078606172, 2598257715, 3464343620, 4157212344, 5196515430, 6928687240, 10393030860, 20786061720]

約数ペア:

[(1, 20786061720), (2, 10393030860), (3, 6928687240), (4, 5196515430), (5, 4157212344), (6, 3464343620), (8, 2598257715), (10, 2078606172), (12, 1732171810), (15, 1385737448), (20, 1039303086), (24, 866085905), (30, 692868724), (31, 670518120), (40, 519651543), (60, 346434362), (62, 335259060), (93, 223506040), (120, 173217181), (124, 167629530), (155, 134103624), (181, 114840120), (186, 111753020), (248, 83814765), (310, 67051812), (362, 57420060), (372, 55876510), (465, 44701208), (543, 38280040), (620, 33525906), (724, 28710030), (744, 27938255), (905, 22968024), (930, 22350604), (1086, 19140020), (1240, 16762953), (1448, 14355015), (1810, 11484012), (1860, 11175302), (2172, 9570010), (2715, 7656008), (3620, 5742006), (3720, 5587651), (4344, 4785005), (5430, 3828004), (5611, 3704520), (7240, 2871003), (10860, 1914002), (11222, 1852260), (16833, 1234840), (21720, 957001), (22444, 926130), (28055, 740904), (30871, 673320), (33666, 617420), (44888, 463065), (56110, 370452), (61742, 336660), (67332, 308710), (84165, 246968), (92613, 224440), (112220, 185226), (123484, 168330), (134664, 154355)]