20014912880

素因数分解:

$2^4\times 5^1\times {\mathrm{10337}}^1\times {\mathrm{24203}}^1$

素因数の和:34553

約数の個数: 40

約数和(自身を含む): 46541097072

約数和(自身を除く): 26526184192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10337, 20674, 24203, 41348, 48406, 51685, 82696, 96812, 103370, 121015, 165392, 193624, 206740, 242030, 387248, 413480, 484060, 826960, 968120, 1936240, 250186411, 500372822, 1000745644, 1250932055, 2001491288, 2501864110, 4002982576, 5003728220, 10007456440, 20014912880]

約数ペア:

[(1, 20014912880), (2, 10007456440), (4, 5003728220), (5, 4002982576), (8, 2501864110), (10, 2001491288), (16, 1250932055), (20, 1000745644), (40, 500372822), (80, 250186411), (10337, 1936240), (20674, 968120), (24203, 826960), (41348, 484060), (48406, 413480), (51685, 387248), (82696, 242030), (96812, 206740), (103370, 193624), (121015, 165392)]