20194383993

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7340743}}^1$

素因数の和:7340884

約数の個数: 16

約数和(自身を含む): 31007302656

約数和(自身を除く): 10812918663

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 7340743, 22022229, 51385201, 154155603, 961637333, 2884911999, 6731461331, 20194383993]

約数ペア:

[(1, 20194383993), (3, 6731461331), (7, 2884911999), (21, 961637333), (131, 154155603), (393, 51385201), (917, 22022229), (2751, 7340743)]