20226750520

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1\times {\mathrm{30941}}^1$

素因数の和:31288

約数の個数: 64

約数和(自身を含む): 46450130400

約数和(自身を除く): 26223379880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 277, 295, 472, 554, 590, 1108, 1180, 1385, 2216, 2360, 2770, 5540, 11080, 16343, 30941, 32686, 61882, 65372, 81715, 123764, 130744, 154705, 163430, 247528, 309410, 326860, 618820, 653720, 1237640, 1825519, 3651038, 7302076, 8570657, 9127595, 14604152, 17141314, 18255190, 34282628, 36510380, 42853285, 68565256, 73020760, 85706570, 171413140, 342826280, 505668763, 1011337526, 2022675052, 2528343815, 4045350104, 5056687630, 10113375260, 20226750520]

約数ペア:

[(1, 20226750520), (2, 10113375260), (4, 5056687630), (5, 4045350104), (8, 2528343815), (10, 2022675052), (20, 1011337526), (40, 505668763), (59, 342826280), (118, 171413140), (236, 85706570), (277, 73020760), (295, 68565256), (472, 42853285), (554, 36510380), (590, 34282628), (1108, 18255190), (1180, 17141314), (1385, 14604152), (2216, 9127595), (2360, 8570657), (2770, 7302076), (5540, 3651038), (11080, 1825519), (16343, 1237640), (30941, 653720), (32686, 618820), (61882, 326860), (65372, 309410), (81715, 247528), (123764, 163430), (130744, 154705)]