201402020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{76871}}^1$

素因数の和:77011

約数の個数: 24

約数和(自身を含む): 426178368

約数和(自身を除く): 224776348

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 76871, 153742, 307484, 384355, 768710, 1537420, 10070101, 20140202, 40280404, 50350505, 100701010, 201402020]

約数ペア:

[(1, 201402020), (2, 100701010), (4, 50350505), (5, 40280404), (10, 20140202), (20, 10070101), (131, 1537420), (262, 768710), (524, 384355), (655, 307484), (1310, 153742), (2620, 76871)]