20126691700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3797489}}^1$

素因数の和:3797556

約数の個数: 36

約数和(自身を含む): 44498987820

約数和(自身を除く): 24372296120

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 5300, 3797489, 7594978, 15189956, 18987445, 37974890, 75949780, 94937225, 189874450, 201266917, 379748900, 402533834, 805067668, 1006334585, 2012669170, 4025338340, 5031672925, 10063345850, 20126691700]

約数ペア:

[(1, 20126691700), (2, 10063345850), (4, 5031672925), (5, 4025338340), (10, 2012669170), (20, 1006334585), (25, 805067668), (50, 402533834), (53, 379748900), (100, 201266917), (106, 189874450), (212, 94937225), (265, 75949780), (530, 37974890), (1060, 18987445), (1325, 15189956), (2650, 7594978), (5300, 3797489)]