20592680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16607}}^1$

素因数の和:16649

約数の個数: 32

約数和(自身を含む): 47831040

約数和(自身を除く): 27238360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 16607, 33214, 66428, 83035, 132856, 166070, 332140, 514817, 664280, 1029634, 2059268, 2574085, 4118536, 5148170, 10296340, 20592680]

約数ペア:

[(1, 20592680), (2, 10296340), (4, 5148170), (5, 4118536), (8, 2574085), (10, 2059268), (20, 1029634), (31, 664280), (40, 514817), (62, 332140), (124, 166070), (155, 132856), (248, 83035), (310, 66428), (620, 33214), (1240, 16607)]