20378344

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3533}}^1$

素因数の和:3649

約数の個数: 32

約数和(自身を含む): 44104320

約数和(自身を除く): 23725976

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3533, 5768, 7066, 14132, 24731, 28264, 49462, 98924, 197848, 363899, 727798, 1455596, 2547293, 2911192, 5094586, 10189172, 20378344]

約数ペア:

[(1, 20378344), (2, 10189172), (4, 5094586), (7, 2911192), (8, 2547293), (14, 1455596), (28, 727798), (56, 363899), (103, 197848), (206, 98924), (412, 49462), (721, 28264), (824, 24731), (1442, 14132), (2884, 7066), (3533, 5768)]