20590938080

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3478199}}^1$

素因数の和:3478251

約数の個数: 48

約数和(自身を含む): 49960864800

約数和(自身を除く): 29369926720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 3478199, 6956398, 13912796, 17390995, 27825592, 34781990, 55651184, 69563980, 111302368, 128693363, 139127960, 257386726, 278255920, 514773452, 556511840, 643466815, 1029546904, 1286933630, 2059093808, 2573867260, 4118187616, 5147734520, 10295469040, 20590938080]

約数ペア:

[(1, 20590938080), (2, 10295469040), (4, 5147734520), (5, 4118187616), (8, 2573867260), (10, 2059093808), (16, 1286933630), (20, 1029546904), (32, 643466815), (37, 556511840), (40, 514773452), (74, 278255920), (80, 257386726), (148, 139127960), (160, 128693363), (185, 111302368), (296, 69563980), (370, 55651184), (592, 34781990), (740, 27825592), (1184, 17390995), (1480, 13912796), (2960, 6956398), (5920, 3478199)]