20781113812

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{839}}^1\times {\mathrm{104953}}^1$

素因数の和:105855

約数の個数: 24

約数和(自身を含む): 37027771200

約数和(自身を除く): 16246657388

約数列:

[1, 2, 4, 59, 118, 236, 839, 1678, 3356, 49501, 99002, 104953, 198004, 209906, 419812, 6192227, 12384454, 24768908, 88055567, 176111134, 352222268, 5195278453, 10390556906, 20781113812]

約数ペア:

[(1, 20781113812), (2, 10390556906), (4, 5195278453), (59, 352222268), (118, 176111134), (236, 88055567), (839, 24768908), (1678, 12384454), (3356, 6192227), (49501, 419812), (99002, 209906), (104953, 198004)]