20177884520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4714459}}^1$

素因数の和:4714577

約数の個数: 32

約数和(自身を含む): 45824551200

約数和(自身を除く): 25646666680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4714459, 9428918, 18857836, 23572295, 37715672, 47144590, 94289180, 188578360, 504447113, 1008894226, 2017788452, 2522235565, 4035576904, 5044471130, 10088942260, 20177884520]

約数ペア:

[(1, 20177884520), (2, 10088942260), (4, 5044471130), (5, 4035576904), (8, 2522235565), (10, 2017788452), (20, 1008894226), (40, 504447113), (107, 188578360), (214, 94289180), (428, 47144590), (535, 37715672), (856, 23572295), (1070, 18857836), (2140, 9428918), (4280, 4714459)]