20118940

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{2741}}^1$

素因数の和:3117

約数の個数: 24

約数和(自身を含む): 42380352

約数和(自身を除く): 22261412

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 2741, 3670, 5482, 7340, 10964, 13705, 27410, 54820, 1005947, 2011894, 4023788, 5029735, 10059470, 20118940]

約数ペア:

[(1, 20118940), (2, 10059470), (4, 5029735), (5, 4023788), (10, 2011894), (20, 1005947), (367, 54820), (734, 27410), (1468, 13705), (1835, 10964), (2741, 7340), (3670, 5482)]