20815078

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{2803}}^1$

素因数の和:2931

約数の個数: 16

約数和(自身を含む): 32302080

約数和(自身を除く): 11487002

約数列:

[1, 2, 47, 79, 94, 158, 2803, 3713, 5606, 7426, 131741, 221437, 263482, 442874, 10407539, 20815078]

約数ペア:

[(1, 20815078), (2, 10407539), (47, 442874), (79, 263482), (94, 221437), (158, 131741), (2803, 7426), (3713, 5606)]