20500035

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 34510080

約数和(自身を除く): 14010045

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 859, 1591, 2577, 4295, 4773, 7955, 12885, 23865, 31783, 36937, 95349, 110811, 158915, 184685, 476745, 554055, 1366669, 4100007, 6833345, 20500035]

約数ペア:

[(1, 20500035), (3, 6833345), (5, 4100007), (15, 1366669), (37, 554055), (43, 476745), (111, 184685), (129, 158915), (185, 110811), (215, 95349), (555, 36937), (645, 31783), (859, 23865), (1591, 12885), (2577, 7955), (4295, 4773)]