20776918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{1087}}^1$

素因数の和:1611

約数の個数: 16

約数和(自身を含む): 32901120

約数和(自身を除く): 12124202

約数列:

[1, 2, 19, 38, 503, 1006, 1087, 2174, 9557, 19114, 20653, 41306, 546761, 1093522, 10388459, 20776918]

約数ペア:

[(1, 20776918), (2, 10388459), (19, 1093522), (38, 546761), (503, 41306), (1006, 20653), (1087, 19114), (2174, 9557)]