20023042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 34700400

約数和(自身を除く): 14677358

約数列:

[1, 2, 13, 17, 26, 34, 89, 178, 221, 442, 509, 1018, 1157, 1513, 2314, 3026, 6617, 8653, 13234, 17306, 19669, 39338, 45301, 90602, 112489, 224978, 588913, 770117, 1177826, 1540234, 10011521, 20023042]

約数ペア:

[(1, 20023042), (2, 10011521), (13, 1540234), (17, 1177826), (26, 770117), (34, 588913), (89, 224978), (178, 112489), (221, 90602), (442, 45301), (509, 39338), (1018, 19669), (1157, 17306), (1513, 13234), (2314, 8653), (3026, 6617)]