20001423

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 30030336

約数和(自身を除く): 10028913

約数列:

[1, 3, 13, 37, 39, 83, 111, 167, 249, 481, 501, 1079, 1443, 2171, 3071, 3237, 6179, 6513, 9213, 13861, 18537, 39923, 41583, 80327, 119769, 180193, 240981, 512857, 540579, 1538571, 6667141, 20001423]

約数ペア:

[(1, 20001423), (3, 6667141), (13, 1538571), (37, 540579), (39, 512857), (83, 240981), (111, 180193), (167, 119769), (249, 80327), (481, 41583), (501, 39923), (1079, 18537), (1443, 13861), (2171, 9213), (3071, 6513), (3237, 6179)]