2016707720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{309311}}^1$

素因数の和:309485

約数の個数: 32

約数和(自身を含む): 4565445120

約数和(自身を除く): 2548737400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 309311, 618622, 1237244, 1546555, 2474488, 3093110, 6186220, 12372440, 50417693, 100835386, 201670772, 252088465, 403341544, 504176930, 1008353860, 2016707720]

約数ペア:

[(1, 2016707720), (2, 1008353860), (4, 504176930), (5, 403341544), (8, 252088465), (10, 201670772), (20, 100835386), (40, 50417693), (163, 12372440), (326, 6186220), (652, 3093110), (815, 2474488), (1304, 1546555), (1630, 1237244), (3260, 618622), (6520, 309311)]