20162951991

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{417271}}^1$

素因数の和:417356

約数の個数: 48

約数和(自身を含む): 36452881920

約数和(自身を除く): 16289929929

約数列:

[1, 3, 7, 9, 13, 21, 39, 59, 63, 91, 117, 177, 273, 413, 531, 767, 819, 1239, 2301, 3717, 5369, 6903, 16107, 48321, 417271, 1251813, 2920897, 3755439, 5424523, 8762691, 16273569, 24618989, 26288073, 37971661, 48820707, 73856967, 113914983, 172332923, 221570901, 320046857, 341744949, 516998769, 960140571, 1550996307, 2240327999, 2880421713, 6720983997, 20162951991]

約数ペア:

[(1, 20162951991), (3, 6720983997), (7, 2880421713), (9, 2240327999), (13, 1550996307), (21, 960140571), (39, 516998769), (59, 341744949), (63, 320046857), (91, 221570901), (117, 172332923), (177, 113914983), (273, 73856967), (413, 48820707), (531, 37971661), (767, 26288073), (819, 24618989), (1239, 16273569), (2301, 8762691), (3717, 5424523), (5369, 3755439), (6903, 2920897), (16107, 1251813), (48321, 417271)]