20003704

素因数分解:

$2^3\times 7^1\times {\mathrm{523}}^1\times {\mathrm{683}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 43009920

約数和(自身を除く): 23006216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 523, 683, 1046, 1366, 2092, 2732, 3661, 4184, 4781, 5464, 7322, 9562, 14644, 19124, 29288, 38248, 357209, 714418, 1428836, 2500463, 2857672, 5000926, 10001852, 20003704]

約数ペア:

[(1, 20003704), (2, 10001852), (4, 5000926), (7, 2857672), (8, 2500463), (14, 1428836), (28, 714418), (56, 357209), (523, 38248), (683, 29288), (1046, 19124), (1366, 14644), (2092, 9562), (2732, 7322), (3661, 5464), (4184, 4781)]