20510228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3389}}^1$

素因数の和:3499

約数の個数: 24

約数和(自身を含む): 38442600

約数和(自身を除く): 17932372

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 3389, 6052, 6778, 13556, 57613, 115226, 230452, 301621, 603242, 1206484, 5127557, 10255114, 20510228]

約数ペア:

[(1, 20510228), (2, 10255114), (4, 5127557), (17, 1206484), (34, 603242), (68, 301621), (89, 230452), (178, 115226), (356, 57613), (1513, 13556), (3026, 6778), (3389, 6052)]