20827831986

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{45389}}^1$

素因数の和:45500

約数の個数: 96

約数和(自身を含む): 50854592880

約数和(自身を除く): 30026760894

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 53, 74, 78, 106, 111, 117, 159, 222, 234, 318, 333, 477, 481, 666, 689, 954, 962, 1378, 1443, 1961, 2067, 2886, 3922, 4134, 4329, 5883, 6201, 8658, 11766, 12402, 17649, 25493, 35298, 45389, 50986, 76479, 90778, 136167, 152958, 229437, 272334, 408501, 458874, 590057, 817002, 1180114, 1679393, 1770171, 2405617, 3358786, 3540342, 4811234, 5038179, 5310513, 7216851, 10076358, 10621026, 14433702, 15114537, 21650553, 21832109, 30229074, 31273021, 43301106, 43664218, 62546042, 65496327, 89007829, 93819063, 130992654, 178015658, 187638126, 196488981, 267023487, 281457189, 392977962, 534046974, 562914378, 801070461, 1157101777, 1602140922, 2314203554, 3471305331, 6942610662, 10413915993, 20827831986]

約数ペア:

[(1, 20827831986), (2, 10413915993), (3, 6942610662), (6, 3471305331), (9, 2314203554), (13, 1602140922), (18, 1157101777), (26, 801070461), (37, 562914378), (39, 534046974), (53, 392977962), (74, 281457189), (78, 267023487), (106, 196488981), (111, 187638126), (117, 178015658), (159, 130992654), (222, 93819063), (234, 89007829), (318, 65496327), (333, 62546042), (477, 43664218), (481, 43301106), (666, 31273021), (689, 30229074), (954, 21832109), (962, 21650553), (1378, 15114537), (1443, 14433702), (1961, 10621026), (2067, 10076358), (2886, 7216851), (3922, 5310513), (4134, 5038179), (4329, 4811234), (5883, 3540342), (6201, 3358786), (8658, 2405617), (11766, 1770171), (12402, 1679393), (17649, 1180114), (25493, 817002), (35298, 590057), (45389, 458874), (50986, 408501), (76479, 272334), (90778, 229437), (136167, 152958)]