2017180420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{599}}^1\times {\mathrm{1033}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 4273315200

約数和(自身を除く): 2256134780

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 599, 652, 815, 1033, 1198, 1630, 2066, 2396, 2995, 3260, 4132, 5165, 5990, 10330, 11980, 20660, 97637, 168379, 195274, 336758, 390548, 488185, 618767, 673516, 841895, 976370, 1237534, 1683790, 1952740, 2475068, 3093835, 3367580, 6187670, 12375340, 100859021, 201718042, 403436084, 504295105, 1008590210, 2017180420]

約数ペア:

[(1, 2017180420), (2, 1008590210), (4, 504295105), (5, 403436084), (10, 201718042), (20, 100859021), (163, 12375340), (326, 6187670), (599, 3367580), (652, 3093835), (815, 2475068), (1033, 1952740), (1198, 1683790), (1630, 1237534), (2066, 976370), (2396, 841895), (2995, 673516), (3260, 618767), (4132, 488185), (5165, 390548), (5990, 336758), (10330, 195274), (11980, 168379), (20660, 97637)]