20139959164

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{334751}}^1$

素因数の和:334870

約数の個数: 36

約数和(自身を含む): 38593558080

約数和(自身を除く): 18453598916

約数列:

[1, 2, 4, 13, 26, 52, 89, 169, 178, 338, 356, 676, 1157, 2314, 4628, 15041, 30082, 60164, 334751, 669502, 1339004, 4351763, 8703526, 17407052, 29792839, 56572919, 59585678, 113145838, 119171356, 226291676, 387306907, 774613814, 1549227628, 5034989791, 10069979582, 20139959164]

約数ペア:

[(1, 20139959164), (2, 10069979582), (4, 5034989791), (13, 1549227628), (26, 774613814), (52, 387306907), (89, 226291676), (169, 119171356), (178, 113145838), (338, 59585678), (356, 56572919), (676, 29792839), (1157, 17407052), (2314, 8703526), (4628, 4351763), (15041, 1339004), (30082, 669502), (60164, 334751)]