20358333

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 31314816

約数和(自身を除く): 10956483

約数列:

[1, 3, 9, 17, 51, 153, 271, 491, 813, 1473, 2439, 4419, 4607, 8347, 13821, 25041, 41463, 75123, 133061, 399183, 1197549, 2262037, 6786111, 20358333]

約数ペア:

[(1, 20358333), (3, 6786111), (9, 2262037), (17, 1197549), (51, 399183), (153, 133061), (271, 75123), (491, 41463), (813, 25041), (1473, 13821), (2439, 8347), (4419, 4607)]