20953095

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 35831808

約数和(自身を除く): 14878713

約数列:

[1, 3, 5, 15, 17, 51, 85, 127, 255, 381, 635, 647, 1905, 1941, 2159, 3235, 6477, 9705, 10795, 10999, 32385, 32997, 54995, 82169, 164985, 246507, 410845, 1232535, 1396873, 4190619, 6984365, 20953095]

約数ペア:

[(1, 20953095), (3, 6984365), (5, 4190619), (15, 1396873), (17, 1232535), (51, 410845), (85, 246507), (127, 164985), (255, 82169), (381, 54995), (635, 32997), (647, 32385), (1905, 10999), (1941, 10795), (2159, 9705), (3235, 6477)]