20103440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35899}}^1$

素因数の和:35919

約数の個数: 40

約数和(自身を含む): 53419200

約数和(自身を除く): 33315760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35899, 71798, 143596, 179495, 251293, 287192, 358990, 502586, 574384, 717980, 1005172, 1256465, 1435960, 2010344, 2512930, 2871920, 4020688, 5025860, 10051720, 20103440]

約数ペア:

[(1, 20103440), (2, 10051720), (4, 5025860), (5, 4020688), (7, 2871920), (8, 2512930), (10, 2010344), (14, 1435960), (16, 1256465), (20, 1005172), (28, 717980), (35, 574384), (40, 502586), (56, 358990), (70, 287192), (80, 251293), (112, 179495), (140, 143596), (280, 71798), (560, 35899)]