20178487742

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{62666111}}^1$

素因数の和:62666143

約数の個数: 16

約数和(自身を含む): 36095680512

約数和(自身を除く): 15917192770

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 62666111, 125332222, 438662777, 877325554, 1441320553, 2882641106, 10089243871, 20178487742]

約数ペア:

[(1, 20178487742), (2, 10089243871), (7, 2882641106), (14, 1441320553), (23, 877325554), (46, 438662777), (161, 125332222), (322, 62666111)]