20813718

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{38977}}^1$

素因数の和:39071

約数の個数: 16

約数和(自身を含む): 42096240

約数和(自身を除く): 21282522

約数列:

[1, 2, 3, 6, 89, 178, 267, 534, 38977, 77954, 116931, 233862, 3468953, 6937906, 10406859, 20813718]

約数ペア:

[(1, 20813718), (2, 10406859), (3, 6937906), (6, 3468953), (89, 233862), (178, 116931), (267, 77954), (534, 38977)]