20019802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31379}}^1$

素因数の和:31421

約数の個数: 16

約数和(自身を含む): 33890400

約数和(自身を除く): 13870598

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 31379, 62758, 345169, 690338, 909991, 1819982, 10009901, 20019802]

約数ペア:

[(1, 20019802), (2, 10009901), (11, 1819982), (22, 909991), (29, 690338), (58, 345169), (319, 62758), (638, 31379)]