20178390974

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27194597}}^1$

素因数の和:27194659

約数の個数: 16

約数和(自身を含む): 35244199008

約数和(自身を除く): 15065808034

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27194597, 54389194, 190362179, 380724358, 1441313641, 2882627282, 10089195487, 20178390974]

約数ペア:

[(1, 20178390974), (2, 10089195487), (7, 2882627282), (14, 1441313641), (53, 380724358), (106, 190362179), (371, 54389194), (742, 27194597)]