20631898

素因数分解:

$2^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{8233}}^1$

素因数の和:8421

約数の個数: 16

約数和(自身を含む): 35570880

約数和(自身を除く): 14938982

約数列:

[1, 2, 7, 14, 179, 358, 1253, 2506, 8233, 16466, 57631, 115262, 1473707, 2947414, 10315949, 20631898]

約数ペア:

[(1, 20631898), (2, 10315949), (7, 2947414), (14, 1473707), (179, 115262), (358, 57631), (1253, 16466), (2506, 8233)]