20119808

素因数分解:

$2^8\times {\mathrm{78593}}^1$

素因数の和:78609

約数の個数: 18

約数和(自身を含む): 40161534

約数和(自身を除く): 20041726

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 78593, 157186, 314372, 628744, 1257488, 2514976, 5029952, 10059904, 20119808]

約数ペア:

[(1, 20119808), (2, 10059904), (4, 5029952), (8, 2514976), (16, 1257488), (32, 628744), (64, 314372), (128, 157186), (256, 78593)]