20148746668

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{407177}}^1$

素因数の和:407409

約数の個数: 24

約数和(自身を含む): 35913099600

約数和(自身を除く): 15764352932

約数列:

[1, 2, 4, 89, 139, 178, 278, 356, 556, 12371, 24742, 49484, 407177, 814354, 1628708, 36238753, 56597603, 72477506, 113195206, 144955012, 226390412, 5037186667, 10074373334, 20148746668]

約数ペア:

[(1, 20148746668), (2, 10074373334), (4, 5037186667), (89, 226390412), (139, 144955012), (178, 113195206), (278, 72477506), (356, 56597603), (556, 36238753), (12371, 1628708), (24742, 814354), (49484, 407177)]