20156778434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1\times {\mathrm{20509}}^1$

素因数の和:20994

約数の個数: 32

約数和(自身を含む): 32968266240

約数和(自身を除く): 12811487806

約数列:

[1, 2, 13, 26, 103, 206, 367, 734, 1339, 2678, 4771, 9542, 20509, 37801, 41018, 75602, 266617, 491413, 533234, 982826, 2112427, 4224854, 7526803, 15053606, 27461551, 54923102, 97848439, 195696878, 775260709, 1550521418, 10078389217, 20156778434]

約数ペア:

[(1, 20156778434), (2, 10078389217), (13, 1550521418), (26, 775260709), (103, 195696878), (206, 97848439), (367, 54923102), (734, 27461551), (1339, 15053606), (2678, 7526803), (4771, 4224854), (9542, 2112427), (20509, 982826), (37801, 533234), (41018, 491413), (75602, 266617)]