20870836845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1283}}^1\times {\mathrm{63793}}^1$

素因数の和:65101

約数の個数: 32

約数和(自身を含む): 35385766272

約数和(自身を除く): 14514929427

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1283, 3849, 6415, 19245, 21811, 63793, 65433, 109055, 191379, 318965, 327165, 956895, 1084481, 3253443, 5422405, 16267215, 81846419, 245539257, 409232095, 1227696285, 1391389123, 4174167369, 6956945615, 20870836845]

約数ペア:

[(1, 20870836845), (3, 6956945615), (5, 4174167369), (15, 1391389123), (17, 1227696285), (51, 409232095), (85, 245539257), (255, 81846419), (1283, 16267215), (3849, 5422405), (6415, 3253443), (19245, 1084481), (21811, 956895), (63793, 327165), (65433, 318965), (109055, 191379)]