20680702

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77747}}^1$

素因数の和:77775

約数の個数: 16

約数和(自身を含む): 37319040

約数和(自身を除く): 16638338

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 77747, 155494, 544229, 1088458, 1477193, 2954386, 10340351, 20680702]

約数ペア:

[(1, 20680702), (2, 10340351), (7, 2954386), (14, 1477193), (19, 1088458), (38, 544229), (133, 155494), (266, 77747)]