20218004996

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5511997}}^1$

素因数の和:5512139

約数の個数: 24

約数和(自身を含む): 40744689216

約数和(自身を除く): 20526684220

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5511997, 11023994, 22047988, 38583979, 77167958, 154335916, 722071607, 1444143214, 2888286428, 5054501249, 10109002498, 20218004996]

約数ペア:

[(1, 20218004996), (2, 10109002498), (4, 5054501249), (7, 2888286428), (14, 1444143214), (28, 722071607), (131, 154335916), (262, 77167958), (524, 38583979), (917, 22047988), (1834, 11023994), (3668, 5511997)]