20875414

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78479}}^1$

素因数の和:78507

約数の個数: 16

約数和(自身を含む): 37670400

約数和(自身を除く): 16794986

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 78479, 156958, 549353, 1098706, 1491101, 2982202, 10437707, 20875414]

約数ペア:

[(1, 20875414), (2, 10437707), (7, 2982202), (14, 1491101), (19, 1098706), (38, 549353), (133, 156958), (266, 78479)]