20404012

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4919}}^1$

素因数の和:5001

約数の個数: 24

約数和(自身を含む): 38435040

約数和(自身を除く): 18031028

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 1037, 2074, 4148, 4919, 9838, 19676, 83623, 167246, 300059, 334492, 600118, 1200236, 5101003, 10202006, 20404012]

約数ペア:

[(1, 20404012), (2, 10202006), (4, 5101003), (17, 1200236), (34, 600118), (61, 334492), (68, 300059), (122, 167246), (244, 83623), (1037, 19676), (2074, 9838), (4148, 4919)]