20407841271

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{129581}}^1$

素因数の和:129916

約数の個数: 32

約数和(自身を含む): 31929004800

約数和(自身を除く): 11521163529

約数列:

[1, 3, 9, 19, 27, 57, 171, 307, 513, 921, 2763, 5833, 8289, 17499, 52497, 129581, 157491, 388743, 1166229, 2462039, 3498687, 7386117, 22158351, 39781367, 66475053, 119344101, 358032303, 755845973, 1074096909, 2267537919, 6802613757, 20407841271]

約数ペア:

[(1, 20407841271), (3, 6802613757), (9, 2267537919), (19, 1074096909), (27, 755845973), (57, 358032303), (171, 119344101), (307, 66475053), (513, 39781367), (921, 22158351), (2763, 7386117), (5833, 3498687), (8289, 2462039), (17499, 1166229), (52497, 388743), (129581, 157491)]