20282156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{647}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 37721376

約数和(自身を除く): 17439220

約数列:

[1, 2, 4, 17, 34, 68, 461, 647, 922, 1294, 1844, 2588, 7837, 10999, 15674, 21998, 31348, 43996, 298267, 596534, 1193068, 5070539, 10141078, 20282156]

約数ペア:

[(1, 20282156), (2, 10141078), (4, 5070539), (17, 1193068), (34, 596534), (68, 298267), (461, 43996), (647, 31348), (922, 21998), (1294, 15674), (1844, 10999), (2588, 7837)]