20123961081

素因数分解:

$3^1\times 7^1\times {\mathrm{2957}}^1\times {\mathrm{324073}}^1$

素因数の和:327040

約数の個数: 16

約数和(自身を含む): 30675548544

約数和(自身を除く): 10551587463

約数列:

[1, 3, 7, 21, 2957, 8871, 20699, 62097, 324073, 972219, 2268511, 6805533, 958283861, 2874851583, 6707987027, 20123961081]

約数ペア:

[(1, 20123961081), (3, 6707987027), (7, 2874851583), (21, 958283861), (2957, 6805533), (8871, 2268511), (20699, 972219), (62097, 324073)]