20931828

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{102607}}^1$

素因数の和:102631

約数の個数: 24

約数和(自身を含む): 51714432

約数和(自身を除く): 30782604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 102607, 205214, 307821, 410428, 615642, 1231284, 1744319, 3488638, 5232957, 6977276, 10465914, 20931828]

約数ペア:

[(1, 20931828), (2, 10465914), (3, 6977276), (4, 5232957), (6, 3488638), (12, 1744319), (17, 1231284), (34, 615642), (51, 410428), (68, 307821), (102, 205214), (204, 102607)]