20943064

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2647}}^1$

素因数の和:2719

約数の個数: 32

約数和(自身を含む): 41944320

約数和(自身を除く): 21001256

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 2647, 3956, 5294, 7912, 10588, 21176, 60881, 113821, 121762, 227642, 243524, 455284, 487048, 910568, 2617883, 5235766, 10471532, 20943064]

約数ペア:

[(1, 20943064), (2, 10471532), (4, 5235766), (8, 2617883), (23, 910568), (43, 487048), (46, 455284), (86, 243524), (92, 227642), (172, 121762), (184, 113821), (344, 60881), (989, 21176), (1978, 10588), (2647, 7912), (3956, 5294)]