20218565024

素因数分解:

$2^5\times 7^2\times {\mathrm{2281}}^1\times {\mathrm{5653}}^1$

素因数の和:7958

約数の個数: 72

約数和(自身を含む): 46332618948

約数和(自身を除く): 26114053924

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 2281, 4562, 5653, 9124, 11306, 15967, 18248, 22612, 31934, 36496, 39571, 45224, 63868, 72992, 79142, 90448, 111769, 127736, 158284, 180896, 223538, 255472, 276997, 316568, 447076, 510944, 553994, 633136, 894152, 1107988, 1266272, 1788304, 2215976, 3576608, 4431952, 8863904, 12894493, 25788986, 51577972, 90261451, 103155944, 180522902, 206311888, 361045804, 412623776, 631830157, 722091608, 1263660314, 1444183216, 2527320628, 2888366432, 5054641256, 10109282512, 20218565024]

約数ペア:

[(1, 20218565024), (2, 10109282512), (4, 5054641256), (7, 2888366432), (8, 2527320628), (14, 1444183216), (16, 1263660314), (28, 722091608), (32, 631830157), (49, 412623776), (56, 361045804), (98, 206311888), (112, 180522902), (196, 103155944), (224, 90261451), (392, 51577972), (784, 25788986), (1568, 12894493), (2281, 8863904), (4562, 4431952), (5653, 3576608), (9124, 2215976), (11306, 1788304), (15967, 1266272), (18248, 1107988), (22612, 894152), (31934, 633136), (36496, 553994), (39571, 510944), (45224, 447076), (63868, 316568), (72992, 276997), (79142, 255472), (90448, 223538), (111769, 180896), (127736, 158284)]